Retractable grass covering for in-ground swimming pool - GIF and video

Retractable grass covering for in-ground swimming pool. Warning - fake grass! :( Still cool though.

I guess this wouldn't be plausible with the weight of real grass plus dirt?

https://diqn32j8nouaz.cloudfront.net...pool_cover.gif

https://www.youtube.com/watch?v=jLy4GN8YVWs

Why not? After all they do it for sports stadiums
https://www.si.com/nfl/2015/01/29/su...-glendale-turf
I can just hear the pool man refusing to mow the pool and the yard man saying it is not his job either