Environment sheets for consistent AI scenes.

A downtown street canyon runs between glass curtain-wall towers and older granite facades, the asphalt below striped with worn white crosswalk paint and patched with tar seams. In the foreground, a cast-iron subway grate exhales slow ribbons of steam beside a cluster of newspaper boxes, a fire hydrant in chipped red paint, and a wire trash bin with a loose page of newsprint trembling against its mesh. Midground, storefront awnings in green and burgundy ripple over lit display windows, a vertical LED board cycles color up a building corner, and a string of pennant flags sways above a shuttered kiosk. Traffic signals hang from arched poles, cycling red to green over the open lanes. In the far background, the canyon narrows toward stacked signage and receding tower faces, their thousands of windows layering light on light. At midday the sun drops almost straight into the canyon, hard and brief, flaring off display glass and polished granite before the shadows swallow the sidewalks again. Deserted, the canyon goes strangely quiet for its size, nothing moving but steam, signal changes, and the newsprint shifting against the trash bin. A low tidal rumble of distant traffic bounces between the facades, cut by signal chirps and the hiss of the steam grate, with warm exhaust air rising off the asphalt.

An underground metro platform stretches beneath a low vaulted ceiling of riveted steel beams, its walls faced in glossy white ceramic tile with a cobalt border band and a mosaic station plaque set at eye level. In the foreground, a yellow tactile warning strip runs along the platform edge above the dark track bed, where a thin sheen of water threads between the rails and a torn transit poster lifts and settles in the tunnel draft. Midground, a row of green-painted I-beam columns marches toward a scarred wooden bench and a backlit ad panel glowing cool white, one overhead fluorescent tube flickering out of rhythm with the rest. In the far background, the platform tapers into the black mouth of the tunnel, marked by a single red signal lamp and the receding curve of tile. Through midday, thin daylight filters down from sidewalk grates over the track bed, striping the rails while the fluorescents flatten everything else evenly. Empty, the platform holds a held-breath stillness, just drips echoing off tile and the torn poster stirring at the tunnel's push of air. A deep electrical hum sits under everything, punctuated by tile-echoed drips and the far-off rumble and pressure of moving air from the tunnel, cool and mineral-smelling.

A narrow izakaya alley cuts between two-story wooden facades barely three meters apart, every surface layered with vertical neon signs in red, pink, and electric blue, hand-painted menu boards, and tangles of black power lines sagging overhead. In the foreground, a stack of plastic beer crates leans against a doorway hung with a split noren curtain that sways in the draft from a kitchen vent, and steam curls from a grill flue above a sliding door of frosted glass. Midground, rows of red paper lanterns hang on cords strung between the eaves, trembling slightly, while air-conditioner units drip onto corrugated tin awnings below them. In the far background, the alley kinks left past a glowing vending machine and dissolves into overlapping sign light, the whole corridor of neon doubling itself in the polished stone pavers underfoot. Daylight never truly reaches the ground here; it bounces off upper windows and tin awnings, leaving the lower alley in soft open shade where unlit signs read as shapes rather than light. Empty, the alley hums to itself, curtains swaying at closed doorways and lantern cords creaking with no other sound to cover them. Sizzle and clatter bleed through thin walls beneath the buzz of neon transformers, and the air hangs thick with grill smoke, broth, and warm vent exhaust.

A flat rooftop terrace sits forty stories up, its surface a grid of pale concrete pavers bordered by pea gravel and edged with a chest-high parapet of poured concrete. In the foreground, a pair of weathered teak loungers and a low slatted table flank a canvas umbrella whose fabric ripples in the updraft, beside terracotta planters of tall grasses that bend and recover in the breeze. Midground, galvanized ventilation stacks and a boxy HVAC unit exhale faint heat shimmer and threads of vapor, a wooden water tank rides its steel legs, and a string of clear bulbs swings gently between two conduit poles. Beyond the parapet, the skyline stacks in layers, glass towers in front of older brick mid-rises with a river tracing silver between them, a red aircraft beacon pulsing on the tallest antenna. Under full sun the pavers bounce light upward, the ductwork throws hard clean shadows, and the skyline reads in crisp glass-and-brick detail to the horizon. Empty, the rooftop is all wind and machine hum, loungers vacant and the bulb string swaying over bare pavers. Wind moves in steady sheets across the deck, carrying the low white-noise wash of the city far below, the HVAC drone, and the faint clink of the bulb string against its pole.

A field of sculpted sand dunes rolls toward the horizon, each ridge honed to a knife edge that separates a lit face from a shadowed one. In the foreground, wind ripples corrugate the slope in fine parallel lines, and loose grains stream off the crest in thin, hissing veils. A single weathered wooden stake, bleached gray and half buried, leans beside a patch of cracked clay pan. Midground, the dunes stack in overlapping crescents, their flanks shifting between pale gold, apricot, and deep umber where the slip faces fall away. Sparse tufts of dry grass shiver at the base of one slope, anchoring small tails of rippled sand. In the far background, a low rock escarpment and a violet band of haze close the horizon. Light rakes across every ridge, exaggerating texture and carving the field into alternating bands of glare and shadow. Full daylight bleaches the sand toward bone white while heat shimmer bends the farthest ridgelines. Deserted, the field is pure geometry, nothing moving but thin streams of sand sliding off each crest. A dry, steady wind hisses across the ripples, sand ticks against itself, and the air feels hot, thin, and mineral clean.

A sheltered sandy cove curves between two arms of dark basalt, the pale gold beach cupped around shallows that grade from clear glass to jade green. In the foreground, a tidepool set into a barnacle-crusted rock shelf mirrors the sky, its rim fringed with olive rockweed that sways each time a surge slides in. Ribbons of amber kelp and a bleached driftwood log lie half buried where the wet sand shines like polished pewter. Midground, low breakers fold over a sandbar in ruled white lines, and spray lifts off the seaward tips of the rock arms. Threads of foam trace lace patterns as each sheet of water withdraws down the slope. In the background, the cove mouth opens to the sea, framed by a lone sea stack and a headland topped with wind-bent grass. Reflected light off the wet sand doubles every bright shape above it. By day the shallows glow jade over the sandbar and the tidepool becomes a hard, bright mirror of open sky. Empty, the cove keeps its own rhythm, foam lines advancing and retreating across unmarked sand. Waves collapse in soft percussion against the rock arms, and the air hangs cool, damp, and heavy with salt and kelp.

A stand of northern pines rises in straight gray-brown columns, their bark plated like cracked leather and hung with pale beards of lichen. The forest floor in the foreground is a rust-colored mat of dry needles broken by granite boulders sunk in emerald moss and a rank of ferns that nod on their stems. A shallow creek threads between exposed roots, sliding clear over amber pebbles with a constant braided ripple. Midground, the trunks form receding colonnades, and long shafts of light drop through gaps in the canopy, each one alive with drifting pollen and slow-turning motes. High above, the crowns sway against one another, opening and closing the light below. In the background, the ground falls away toward a darker hollow where the columns dissolve into layered blue-green haze, trunk behind trunk until detail gives out entirely. Daylight falls in vertical shafts through the canopy, spotlighting circles of moss while the hollows stay in green shade. Still and empty, the forest reads as a held breath, nothing moving but motes in the light shafts and water over stone. The air smells of resin and cold water, wind moves through the crowns in long slow surges, and the creek keeps a steady glassy murmur.

A high alpine pass cuts between two granite shoulders, its winding trail stitched into the snowfield as a packed gray-blue line of switchbacks. In the foreground, a stone cairn stands beside the trail, strung with faded, wind-shredded fabric flags that snap and ripple on their line. Boot-hardened snow shows the sheen of blue ice where traffic has polished it, and dry crystals stream across the surface in low hissing ribbons. Midground, the trail hairpins up through a boulder field where black rock breaks through the white, and a cornice along the ridgeline sheds thin plumes of spindrift. A weathered wooden signpost leans at the last visible bend. In the background, the pass opens onto a horizon of stacked peaks, each ridge a paler blue than the one before it, with glare flaring off the highest ice. Under full daylight the snowfield throws hard glare, and every boot print in the trail holds a small pool of blue shadow. Empty, the pass holds nothing but wind, the flags working alone on their line above unbroken snow. Wind arrives in long pushes that make the flags crack like small whips, and the thin air bites with cold and the mineral smell of snow on rock.

A sunlit coral reef spreads out below the surface, its crest built from plate corals stacked like amber rooftops over knobs of brain coral and branching staghorn in mustard, rose, and violet. In the foreground, soft corals flex their pale green polyps in the surge while purple sea fans bow and recover with each pass of the current. Fine particulate drifts through the water in slow constellations, catching the light. Midground, a channel of ripple-marked white sand runs between two coral bommies, and columns of silver bubbles wobble upward from crevices in the rock. Shafts of light drop from the bright ceiling of the surface, swinging slowly as the water above flexes, and caustic ripples crawl across every face they touch. In the background, the reef wall steps down and dissolves into open blue, each layer losing color until only depth remains. High sun drives shafts straight down through the surface, and caustics net every coral head in moving white lines. Undisturbed, the reef moves only with the surge, fans bowing and particulate drifting through empty blue. Sound compresses to the crackle of the reef, the hiss and rumble of rising bubbles, and the felt push and pull of the surge.

A 1950s roadside diner interior runs long and narrow, a chrome-edged counter sweeping past a row of red vinyl stools bolted to a black and white checkerboard floor. In the foreground, the counter holds a chrome napkin dispenser, glass sugar shakers, and a slice of cherry pie under a domed glass case, with steam curling from a stainless coffee urn behind it. Midground, turquoise booths line the wall beneath framed license plates and a bubble-top jukebox glowing amber and teal along its arched tubes. Pendant lamps hang over the counter and a pink neon script sign hums in the front window, its reflection doubled in the polished chrome trim. In the background, a kitchen pass-through window frames hanging order tickets that flutter under a slow ceiling fan, and plate glass windows open onto an empty parking strip and the two-lane highway beyond. Full daylight floods through the front windows, flattening the neon to a faint tint and firing hard highlights off every chrome edge on the counter and stools. Stools sit evenly spaced and untouched, the coffee urn steams for no one, and the jukebox glows over vacant booths. The room hums with fluorescent buzz, the tick of the ceiling fan, and a coffee-and-griddle warmth hanging in the air.

A timber cabin living room wraps around a fieldstone fireplace, hand-hewn pine logs chinked with pale mortar rising to exposed rafters and a sloped plank ceiling. In the foreground, a sheepskin rug and a low walnut coffee table hold a chipped enamel mug and a half-burned candle in a brass holder, while flames roll and snap over split birch in the firebox, sending sparks drifting up the flue. Midground, a worn leather armchair and a deep sofa draped in a red plaid wool blanket face the hearth, flanked by a basket of stacked firewood and shelves of clothbound books. An oil lamp with a smoked glass chimney glows on a side table. In the background, a four-pane window framed by linen curtains that stir in the draft looks out on dark pine trunks, and a ladder climbs to a shadowed sleeping loft. Daylight through the window washes the pine logs honey gold and turns the fire almost invisible, leaving soft shadows under the rafters. The armchair holds a folded blanket, the mug sits cold on the table, and only the fire moves. Firewood pops and settles under a low resin-and-woodsmoke sweetness, with the hush of the forest pressing at the window glass.

A great stone hall stretches beneath a vaulted timber roof, its granite block walls rising past rows of pointed lancet windows set with leaded glass. In the foreground, the end of a long oak table carries pewter goblets, an iron candelabra with tallow candles guttering, and a scatter of wax drippings on the scarred wood. Midground, twin ranks of carved benches run the table's length between stone columns, and crimson and gold banners hang from iron brackets, their heavy wool swaying in the drafts that move through the hall. Torches in wall sconces throw ragged, flickering light across faded tapestries of hunts and sieges, and thin smoke ribbons toward the rafters. In the background, a raised dais holds two high-backed chairs before a hearth wide enough to stand in, where a low fire breathes over blackened andirons and rush mats cover the flagstone floor. Colored light through the leaded glass falls in tall panels across the flagstones, and the hall reads cool gray stone with warm accents at every sconce. Benches stand bare down the table's full length, and only banner cloth and torch flame stir in the silence. Torch flames gutter and echo in the vaulted space, and the air carries cold stone, tallow smoke, and old wool.

An ancient stepped temple rises out of dense rainforest, its sandstone terraces split by strangler fig roots that pour down the masonry like frozen rivers. In the foreground, a toppled column wrapped in emerald moss lies beside carved relief panels half-swallowed by lichen, and water drips steadily from a fern-choked ledge into a shallow black pool. Midground, a cracked staircase climbs between guardian statues with worn faces, hanging vines and liana curtains swaying across the passage, while a thin waterfall threads down the far wall of the terrace and feeds drifting mist along the stones. Shafts of light break through gaps in the triple canopy overhead, laying bright coins across the wet steps. In the background, the temple's upper tower leans against a wall of green, ceiba trunks and palm fronds closing over broken parapets, with loose leaves spiraling down from the canopy. Hard overhead light breaks the canopy into bright shafts that stamp shifting patterns across the mossy staircase and the carved reliefs. Nothing moves on the staircase but vines and water, and the guardian statues face each other across the silence. Water drips and the waterfall whispers under a constant insect drone, the air thick, green, and heavy with wet stone and leaf rot.

A service corridor curves along the outer ring of an orbital station, its walls paneled in matte white polymer framed by brushed aluminum ribs. In the foreground, a floor of hexagonal steel grating reveals conduit runs and amber caution striping beneath, with a coiled data cable hanging from an open access hatch. Midground, recessed blue LED strips run the length of the ceiling seam while a wall console scrolls green diagnostic text, and a thin ribbon of coolant vapor bleeds from a vent and curls along the panel line. The corridor bends out of sight in the background, punctuated by an oval pressure door with a rotating red warning beacon. A long viewport on the outer wall opens onto a slow-turning starfield, and dust motes drift weightlessly through the shafts of console light. On the sunlit side of the orbit, raw white light floods through the viewport and flattens the LED strips to a faint blue trace. Deserted, the corridor holds nothing but blinking status lights and the slow drift of vapor past the pressure door. A low life-support hum layers under ticking relays and the occasional hiss of a vent, and the air is cool, dry, and faintly metallic.

A narrow market street cuts between mid-rise towers sheathed in corrugated steel and cracked concrete, every vertical surface layered with acrylic signboards, painted glyphs, and stacked neon tubing in magenta, cyan, and acid green. In the foreground, a food stall counter of stainless steel holds steaming vats and rows of skewers under a string of paper lanterns, its striped vinyl awning trembling with the updraft from a grate. Midground, plastic stools, crates of produce, and hanging bundles of black power cable crowd the alley, while a holographic advertisement flickers and reshuffles above a shuttered kiosk. In the background, the street funnels toward a massive video billboard that washes the walls in shifting color, with elevated rail tracks crossing overhead. Steam pours from vents at street level and drifts through the layered light. Daylight only reaches the alley in a narrow strip along the rooflines, leaving the stalls in cool shade where the lanterns still read warm. Emptied out, the market is all humming signs and unattended stalls, steam rising past stools left where they were pushed back. Sizzling oil, overlapping ad jingles, and the buzz of old neon fill air that is warm, damp, and thick with broth and solder.

A Japanese high school courtyard opens between two wings of a cream stucco building, rendered as a hand-painted anime background with clean line art, saturated color, and soft painterly light. In the foreground, a row of cherry trees in full pink bloom lines a tan gravel path, loose petals drifting and pooling against the base of a green wire fence. Midground, a small stone-edged pond reflects the blossoms beside a covered bicycle rack and a bulletin board pinned with fluttering paper notices. The main building rises in the background, three stories of aluminum-framed windows with pale curtains stirring in the open ones, a rooftop fence, and a flagpole whose white flag ripples against a deep blue gradient sky. A clock face above the entrance anchors the composition, and every window catches a wash of reflected light. Full daylight bounces off the pale stucco and gravel, filling the yard with an even brightness that makes the pink blossoms pop. With no one in it, the courtyard is motionless except for petals settling on the gravel and the flag shifting on its pole. Wind moves through the cherry branches under a distant school chime, and the air carries the faint sweetness of blossoms and warm dust.

A narrow residential street in a Japanese suburb runs straight between low concrete-block walls and clipped hedges, painted as a hand-drawn anime background with crisp line art, saturated greens, and soft gradient light. In the foreground, a red and a blue vending machine hum side by side against a wall of weathered gray block, their lit panels reflecting off the asphalt beside a shallow drainage channel where a thread of water trickles. Midground, telephone poles carry a dense sag of black power lines across the street, a convex traffic mirror on an orange pole marks the corner, and laundry strung on a second-floor balcony sways on its line. Tiled rooftops in slate blue and brown step back in the background toward a wide, saturated sky, with sunflowers leaning over one garden wall and their leaves trembling in the light. By day the asphalt glares, the block walls bounce warm light into the shade, and the drainage water flashes where it catches the sun. Still and vacant, the street shows only laundry moving on its line and light shifting on the vending machine glass. Cicada drone, the hum of the vending machines, and water ticking through the drain fill air that is heavy, warm, and still.