Photo 365 - On Assignment - September (Textures and Patterns)
Cell Blocks
It's grey, it's metal, and it's NOT a window screen. It's bigger and thicker than a window screen. Now how much bigger and thicker, well that I'm not telling ya. Good luck!
Shot on Canon Rebel T1i at f/4.5, 0.6 sec, 60 mm, ISO 200