These bikes also illustrate something else - bicycles' healing power. They are being ridden by a group of soldiers injured by land mines placed by guerrilla groups - part of the tragedy of Colombia's destructive war. Many have lost legs or feet, but they can still use bicycles.
Tragically, bicycles have also been used as weapons in Colombia's war - there have been several cases of bicycle bombs.
This blog is written by Mike Ceaser, of Bogota Bike Tours and Rentals