Could put a survival kit in there. Knives, fork and spoon. Food, one man tent, cooking equipment incl gass. Extra socks, sweathers, pants. Satellite phone. Sewing things, suncream, Use the frame as tent support or ladder. install a winch if needed. Big search lights. I could go on..

 what country is this made in ? . Germany ?

 gotta hang some studio lights in that beast