Zollverein Coal Mine Industrial Complex in Essen http://gounesco.com.s3-ap-southeast-1.amazonaws.com/wp-content/uploads/2013/09/20061123/zollverein.jpghttp://gounesco.com.s3-ap-southeast-1.amazonaws.com/wp-content/uploads/2013/09/20061123/zollverein-150x150.jpgTrailblazer