why does Niagara Falls change color?

I have been looking at pics and there are rainbow colors on the fall of water, whyyy?? is there an explanation?

Comments

  • Its just lights that are shone on the Falls. Purely for the tourists.

  • It's some huge coloured spotlights that shine on the Falls from the Canadian side in the evening. Enjoy the pictures because due to the mist from the Falls itself you don't see much colour. Enjoy!!

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