high end photorealistic architectural interior visualization wide 16 9 aspect ratio critical conservation lock strictly maintain the exact camera framing perspective floor material ceiling wall surfaces and room geometry of the base image strict lighting conservation do not add modify or invent any new light fixtures ambient lighting or artificial lights maintain exclusively the existing light sources and their precise beam directions specific architectural addition only mechanically attach large flat smooth black river pebbles across the walls where the bi emission wall sconces are located the pebbles are flat rounded and finished in polished black stone and marble like smooth dark stone anchored directly to the wall plane using discreet wall hooks photometric shadow rendering calculate and render only the realistic sharp and elongated cast shadows contact shadows and shadow projections that each mounted pebble casts onto the wall surface directly caused by the existing up and down light beams of the sconces strict negative rule absolutely no wallpaper no furniture no unrequested decor no new lamps 8k resolution ultra detailed crisp focus magazine quality architectural photography
