Colombia is not in the top 10, but is included here for comparison. For example, some races take place on a billiard table while others occur in a garden.

Length is measured in inches and refers to the average length of the longer half of the fibers. In , a fire at the Triangle Shirtwaist Factory in New York killed over workers, prompting major reforms that improved working conditions.

Archived from the original on 10 June The Planet Money T-shirts traveled around the world on their way to you. The idea for Micro Machines was conceived by Clemens V.