Cleaning a dusty skyscraper - GIF

Cleaning a dusty skyscraper after a sandstorm in Dubai.

<video controls autoplay loop> <source src="https://diqn32j8nouaz.cloudfront.net/cleaning_skyscraper_sandstorm_dubai.mp4" type="video/mp4"> Your browser does not support the video tag. </video>


Previously:

https://www.homemadetools.net/forum/...960#post133808
https://www.homemadetools.net/forum/...830#post213311
https://www.homemadetools.net/forum/...195#post214665
https://www.homemadetools.net/forum/...359#post192557
https://www.homemadetools.net/forum/...057#post140978

There are machines to clean greenhouses but not a machine to clean skyscrapers...

I bet dollars to donuts those guys are racing to see who gets to the bottom first.