Cyclists prepare to participate in the 5th World Bike Tour, in Sao Paulo, Brazil, on Jan. 25, 2013. (Xinhua/Rahel Patrasso)
Bicycles are seen on a street prior to the start of the 5th World Bike Tour, in Sao Paulo, Brazil, on Jan. 25, 2013. (Xinhua/Rahel Patrasso)
