UTD2879825: Schoolboys and instructors of the NaPolA Naumburg at a sports competition, Germany 1941 (b/w photo) / Bridgeman Images

UTD2879832: Schoolboys of the NaPolA Naumburg at a sports competition, Germany 1941 (b/w photo) / Bridgeman Images

UTD2879833: Schoolboys and instructors of the NaPolA Naumburg at a sports competition, Germany 1941 (b/w photo) / Bridgeman Images

UTD2879836: Athletes of the NaPolA Naumburg at a competition, Germany 1941 (b/w photo) / Bridgeman Images

UTD2879847: Schoolboys and instructors of the NaPolA Naumburg at a sports competition, Germany 1941 (b/w photo) / Bridgeman Images

UTD2879849: Schoolboys of the NaPolA Naumburg at a sports competition, Germany 1941 (b/w photo) / Bridgeman Images

UTD2879860: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879865: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879866: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879870: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879875: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879881: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879886: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879887: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879892: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879900: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879902: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879916: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879921: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879930: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879934: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879936: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879945: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2879946: Performance in the opera in Rome, Italy 1940s (b/w photo) / Bridgeman Images

UTD2880153: Female staff members doing the laundry of Mitropa travel pillows, Germany 1930s (b/w photo) / Bridgeman Images

UTD2880161: Female staff members sewing Mitropa travel pillows, Germany 1930s (b/w photo) / Bridgeman Images

UTD2880163: Female staff members ironing the laundry of Mitropa travel pillows, Germany 1930s (b/w photo) / Bridgeman Images

UTD2880169: A staff member of the Mitropa sharing out the famous Mitropa travel pillows at the gate of a staion, Germany 1930s (b/w photo) / Bridgeman Images

UTD2880170: Staff members charging equipment for the Mitropa pullman car, Germany 1930s (b/w photo) / Bridgeman Images

UTD2880171: Staff members charging equipment for the Mitropa dining car, Germany 1930s (b/w photo) / Bridgeman Images

UTD2880173: Mitropa staff members loading sacks of laundry, Germany 1930s (b/w photo) / Bridgeman Images

UTD2880176: Staff of a Mitropa dining car, Germany 1930s (b/w photo) / Bridgeman Images

UTD2880182: German engineer and inventor Ferdinand Porsche taking photos at Berlin AVUS race track, Germany 1930s (b/w photo) / Bridgeman Images

UTD2880184: Mercedes Benz Silver Arrow Streamliner W 125 at Berlin AVUS reace track, Germany 1930s (b/w photo) / Bridgeman Images

UTD2880186: German engineer and inventor Ferdinand Porsche takin the time for a lap of a Mercedes Benz Silver Arrow at Berlin AVUS race track, Germany 1930s (b/w photo) / Bridgeman Images

UTD2880187: German engineer and inventor Ferdinand Porsche (right) talking to colleagues at Berlin AVUS race track, Germany 1930s (b/w photo) / Bridgeman Images