Copenhague: If you are about to visit the Danish capital city, you can visit the recently inaugurated Cirkelbroen bridge.

Designed by the Danish-Islandic artist Olafur Eliasson, it evoques the ships that sails along Copenhagen channels.
The pedestrian bridge Cirkelbroen cross over Christianshavn channel, has 40 meters length and its integrated by five circular platforms joined in zigzag.
Each one of them holds a pole, what gives the bridge its most peculiar and main characteristic.
To learn more:
http://olafureliasson.net/archive/artwork/WEK100240/cirkelbroen
http://www.plataformaarquitectura.cl/cl/772779/puente-cirkelbroen-studio-olafur-eliasson