Soap bubbles filled with dry ice mist.
Train turntable at the Transportation Museum in Spencer, North Carolina, USA. The cool thing about railroad turntables is that they can be rotated by a single person, manually. The engine is centered perfectly on the track and the whole thing balances on a single point, making it surprisingly easy to move a lot of weight.
The video was made in Hungary, near the border with Croatia.
Airbus A380 crossing the Autobahn at Leipzig airport. It's taxiing from the runway to the terminal.
NASA's latest wheel technology.