Today Rilakkuma visited Zeche Zollverein
UNESCO WHC: http://whc.unesco.org/en/list/975
wikipedia: http://ja.wikipedia.org/wiki/%E3%83%84%E3%82%A9%E3%83%AB%E3%83%95%E3%82%A7%E3%82%A2%E3%82%A2%E3%82%A4%E3%83%B3%E7%82%AD%E9%89%B1%E6%A5%AD%E9%81%BA%E7%94%A3%E7%BE%A4