The inscription ahead of hard times against the background of cloudsThe inscription ahead of hard times against the background of clouds
Numerous advertisements in new york's times squareNumerous advertisements in New York's Times Square
Mobile phone showing a screensaver with time and dateMobile phone showing a screensaver with time and date
The refueller refuels two helicopters in the air at the same timeThe refueller refuels two helicopters in the air at the same time
Unmanned aerial helicopter with real-time video shootingUnmanned aerial helicopter with real-time video shooting