Photo Gallery: From Open Sewer to Nature Oasis
Fotostrecke

Photo Gallery: From Open Sewer to Nature Oasis

Foto: Sean Gallup/ Getty Images

Cleaning the Sewer A Hi-Tech Revival for Europe's Foulest River

For over a century, cities and companies have been dumping waste into the Emscher River in Germany's industrial heartland. But a massive project is bringing life back to Europe's dirtiest river and diverting the sewage into an ultra-modern, underground drain complete with water elevators and cleaning robots.
Translated from the German by Paul Cohen