travel germany route of industrial culture in the ruhr area

architecture barge blue boat building canal castroprauxel channel crane culture descent dortmund dortmundems dortmundemskanal economy ems equipment europe gantry german germany helling henrichenburg heritage historic historical history industrial industry landmark lift lock lwl machines monument museum old outdoors park portal rhineherne route ruhr ruhrgebiet shaft ship ships sky slewing structures tourism travel waltrop westphalia