Helicopter on take-off area near the Maraya Theatre, in AlUla's Ashar Valley, Medina Province, Saudi Arabia

Stromness Whaling Station on South Georgia, it was operational until 1961, and wa the place where Sir Ernest Shackleton finally reached after his epic seas crossing and trek across south Georgia.

Stromness Whaling Station on South Georgia, with an Antarctic Fur Seal resting in an old propeller, it was operational until 1961, and wa the place where Sir Ernest Shackleton finally reached after his epic seas crossing and trek across south Georgia.

Stromness Whaling Station on South Georgia, it was operational until 1961, and wa the place where Sir Ernest Shackleton finally reached after his epic seas crossing and trek across south Georgia.

Licaon steam locomotive, the oldest operational locomotive in the world, built in 1851 in Austria, maximum speed 40 km/h, Railway Museum Strasshof, Austria, Europe

Special police unit operational rehearsal, accessing a passenger ship on the Rhine River, North Rhine-Westphalia, Germany, Europe

An old wind mill near the town of Vilemov in eastern Czech Republic. The mill is a fully operational flour mill.