black iron prison 2

https://shed-wiki.win/index.php/Biophage_Encounters:_New_Research_Illuminates_Interactions_Between_Phages_and_Their_Hosts

The black iron prison looms like a scar on the landscape, its cold, rust-streaked walls absorbing the pale light of a grey sky. Inside, the air is a thick, metallic chill, and the clang of distant doors echoes through damp corridors, a constant reminder of the weight of confinement.