Man vs. Nature: Both Lose

The collapse of Colombia's Canal del Dique, which connects the Magdalena River to Cartagena Bay, has inundated many towns and 600,000-hectares of farmland. As Louisiana residents learned not long ago, nature can't be held back forever.

In Colombia's case, man not only built a wall to vainly hold back water, but man's impacts on the environment also increased the intensity of Colombia's weather, contributing to this year's phenomenal rains and flooding.

The scene in Bogotá today. 

By Mike Ceaser, of Bogotá Bike Tours