An old Junkers Ju-52, called Iron Annie. In a civilian role, it flew with over twelve air carriers including Swissair and Deutsche Luft Hansa. During WWII it was adopted by the Luftwaffe as a standard aircraft model. This is Casa 352 version built after war and you can see it in Cracow Aviation Museum.
Photos below are taken with Nikon D800 and ultrawide angle lens at 14mm.
Nikkor 24-120 f4
Nikkor 24-120 f4
The fuselage was of rectangular section with a domed decking, all covered with corrugated light alloy