Mobile phone showing a screensaver with time and dateMobile phone showing a screensaver with time and date
Unmanned aerial helicopter with real-time video shootingUnmanned aerial helicopter with real-time video shooting
The refueller refuels two helicopters in the air at the same timeThe refueller refuels two helicopters in the air at the same time
Back to the future in a passenger car through zippersBack to the future in a passenger car through zippers