Gasometer Oberhausen
117.5 metres high, 67.7 metres in diameter: on its inauguration in 1929, this disc-type gas holder is Europe's largest gasometer. Today, Oberhausen's highly visible landmark is a reminder of the heavy industry that set the Ruhr District apart from other industrial regions such as South Westphalia, and attracts thousands of visitors as one of the most unusual exhibition venues on the continent …