Petri Dish Stack Shadows on Lab Bench

Clear plastic petri dishes stack neatly atop a brushed stainless steel surface, their circular rims casting concentric shadows that stretch across the metallic expanse. The laboratory bench in Dhaka reflects the cool, dimming light of early evening twilight filtering through high windows. Warm instrument lights begin to glow in the background corners, against the fading natural blue. Late spring air does not enter the room, but the softness of the shadows suggests the transition from day to night. Glass covers on the dishes catch faint highlights, while the metal beneath shows subtle scratches and fingerprints. at the edge is the precise alignment of the shadow edges mirroring the dish rims perfectly.