Max had just done a quick survey of the area surrounding his bunk kingdom and was now down on the lower bunk, where he could be unseen and unknown.

NEWYORKER: Max at Sea

Bunk beds, with the top bunk actually a flat panel pulled down from the bottom of overhead bins, were something that could be built to required safety standards.

WSJ: Remedy the Squeeze in Airplanes' Coach Cabins

One naked and bound inmate is hanging upside down from the top of an iron bunk bed.

NPR: New Abu Ghraib Pictures, Videotape Made Public