roller coasters , Duisburg, Germany 過山車

Rollercoaster sculpture in Duisburg gives walkers the pleasure of a fairground ride | Mail Online
http://www.dailymail.co.uk/news/article-2061199/Rollercoaster-sculpture-Duisburg-gives-walkers-pleasure-fairground-ride.html

Frank Augstein / AP
PhotoBlog - Interactive sculpture provides roller coaster aesthetics for those who would rather walk
http://photoblog.msnbc.msn.com/_news/2011/11/14/8801123-interactive-sculpture-provides-roller-coaster-aesthetics-for-those-who-would-rather-walk