Sand Pendulum in the Empty Lecture Hall — AI Portrait Prompt

Use the attached reference photo as the identity reference: keep the same face, skin tone, hair and features as the person in that photo, without beautifying, aging or altering them. Design a full-height 9:16 cinematic artwork that reads on a phone and rewards gallery-scale inspection at exactly 2144x3808 pixels. Location: a tiered university lecture hall, empty seats rising into shadow. Show them in a brown herringbone blazer over a plain sand-colored shirt, brushing dust from the bench top with a wide soft brush. Make one rigorous physical condition the conceptual engine: a brass funnel of white sand that swings on long cords, pouring its own path onto a dark floor keeps an honest written account of energy quietly leaving the system. Explore how much credit a person deserves for a drawing they only set in motion; direct expression and posture toward absorbed patience, never melodrama or ad-like confidence. Frame from across the pendulum's plane so its arc crosses the foreground and their face stays clear. Make the composition keep the suspension line visible from anchor to writing point. Render it as slow-apparatus editorial realism combining working drawing machines, honest wear on tools, accurate suspended-mass behavior, and reserved contemporary art direction, using one low raking beam that lifts the trace into shallow relief and a palette of walnut brown, bone-dry plaster, and one glint of steel. Photorealistic: this must read as a real photograph from a physical camera, never an illustration, painting, or 3D render. Give the space honest scale: real distance between foreground, subject, and far wall. Resolve real surface detail: condensation beading at true size, liquid meniscus curving against glass, and wet surfaces darker than dry ones. Keep one identity-locked person, credible hands and fingers, natural fabric, and coherent scale, contact, reflections, shadows, airflow, deformation, and materials. Background people only when essential, always secondary and clearly different. Avoid hypnotist's watch iconography, perpetual-motion fantasy rigs, laser-perfect printed curves, cosmic nebula backdrops, and pendulums hung from nothing. No text, labels, logos, signatures, watermarks, random symbols, plastic skin, excessive bloom, or glossy AI finish.