[war1025]

Did you mean the Nile? I can't think of any method that would get silt from the Sahara in Africa to the Amazon in South America.

[Smoosh]

I think it is Sahara to the Amazon: https://www.wired.com/2015/02/sahara-keeps-amazon-green/

[war1025]

Dang! That's really wild.

[BurningFrog]

Dust storms!