ESSEN, Germany (AP) — On a dreary November morning, a small party of visitors from around the world boards a boat for an hour-long ride around what was once one of the most polluted waters in the Ruhr valley….
ESSEN, Germany (AP) — On a dreary November morning, a small party of visitors from around the world boards a boat for an hour-long ride around what was once one of the most polluted waters in the Ruhr valley….