Urban Explorer

Urban Explorer is a 2011 German horrorthriller film directed by Andy Fetscher. The film is about urban exploration in subterranean Berlin. Also known as The Depraved.

The movie was shot mostly on location in what used to be inaccessible tunnel systems underneath Berlin.The film was first released onJuly 2011 in the Fantasia Film Fest in Montreal. The film will be released in the UK by Anchor Bay Entertainment under the title Urban Explorers ........

Source: Wikipedia