Photo Gallery: Fighting Mining Muck in the Spree River
04/11/2013
Roland Scherz navigates a stream in Ragow, Brandenburg: The Spree River and its...
DPA

Roland Scherz navigates a stream in Ragow, Brandenburg: The Spree River and its tributatries have been turned brown by a chemical compound known as iron (III) oxide-hydroxide, or iron ochre. The fact that it is present in such large quantities here in the rivers and streams of southeast Brandenburg can primarily be attributed to mining.