Niagara Falls has been overhauled before too. The water was diverted a while back so it could be redirected for power generation and they control how much goes over the falls and they schedule it so it looks nice during daylight/high-tourist hours. Maybe not as bad as a pipe sticking out of the rock though.
Probably confusing it with spray grass seeds. From a distance, it does look a lot like green paint on dirt before it starts growing. Commonly used in the US for landscaping post-construction, especially after road work on steep slopes.
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[ 41.9 ms ] story [ 772 ms ] threadhttps://edgeeffects.net/faking-niagara-falls-a-visual-histor...
- people would spray paint mountain/rocks/dirt to be green, to fool the environment bureau
- fake and toxic food, such as eggs made of plastic byproducts, noodles made with ink and parafin
- retaining wall in apartment buildings made up of dirty and rocks
I honestly would not expecy to find spray-painted dirt anywhere here in europe to appear to look green.
In the US? Somehow I would expect to see that.
2. What kind of paint prevents erosion?
https://www.youtube.com/watch?v=zrv78nG9R04