Golds and Silvers Found in the Swiss Sewage

[tuckerkao]

How is it possible that some people don't want to refine the gold minerals and just throw them away to the waste center?

Tons of golds and silvers waste found in the sewage -
http://time.com/4977446/gold-switzerland-sewage-study/

Golds flow within the water, this is a high resolution photo -
https://timedotcom.files.wordpress.com/2017/10/gettyimages-6677331491.jpg