This is a window cleaning drone for skyscrapers by Aerones. | By Find Emirates | Facebook
Window-cleaning drone | human, unmanned aerial vehicle, window | This drone is cleaning windows 1,100 feet above the ground, so humans don't have to. | By Mashable | Facebook
Drone Cleaning Services - LBL Softwash
A Window Cleaning Drone | Drone Below
Wind turbine services by drone | Win Easy
Aerones abandons industrial drones to focus on ground-based robotics as it raises $1.6M | TechCrunch
A Window Cleaning Drone | Drone Below
Lucid offers exterior building cleaning drone for rent