'It was filthy and it stank terribly': how Europe's dirtiest river was brought back to life

?5.5bn project has transformed the Emscher from 'the sewer of the Ruhr' to a place where nature is starting to flourishStrolling beside the Emscher, the Tyczkowskis say it is the stench that they remember most about the river's darker days."The whole thing was filthy and it stank terribly," says the couple, a retired watchmaker and tax adviser in their 80s. Were they ever tempted to take a dip? "No," they laugh in disgust. "There were other things swimming inside." Continue reading...