Cleaning That Drones On and On

High rise buildings are a challenge to clean, that is, the outside.  Safety gear, scaffolding, harnesses, and more are often needed to clean and maintain these structures.  Now, a company, Lucid, is providing a way to clean these large structures in a safer way.  By using drones.  These drones can spray a cleaner on the outside of buildings at the rate of over 2,000 square feet in under 5 minutes.  Link to the article to read more of the intriguing details.