Well, no, the waters themselves are pretty much as they were, but my blog post about them has been updated, with all new and improved pictures and information about the truly spectacular Meeting of the Waters in the Amazon river by Manaus.

Why, and how? Well take another look at the original post, now enhanced and upgraded:

https://dannyashkenasi.com/2016/08/03/brazil-the-black-brown-waters-of-the-amazon/