Cabinet, Closet, Cupboard, Door, Human, Person, Shelf, Window, alien, architecture, behind, black, blur, closed, construction, design, door, entrance, exit, frame, front, frosted, ghost, glass, glow, hand, handle, home, house, incognito, interior, isolated, light, man, prisoner, recluse, room, segregated, separated, shadow, sign, silhouette, single, spy, unknown, vertical, wave, white, window, wood, wooden, radiance, dwelling, flesh, scene, one, negotiator, human body, traveler, way out, specter, access, barrier, representative, bottom, gleam, housing, outline, seat, 1, unity, entrant, illusion, hermit, body, direction, individualist, opening, apparition, secret agent, anatomy, framework, intruder, dark, loner, supporting structure, building, darkness, stranger, ace, brightness, inside, appearance, person, appendage, male, signal, adult
Silhouette of an unknown man in black seen through a closed glass door, like a ghost or an alien