A girl participates in a running sack race during summer camp at a horse therapy center in Mexico City, July 29, 2010.

- Image ID: BXNJ91
Chico Sanchez / Alamy Stock Photo
Image ID: BXNJ91
A girl participates in a running sack race during summer camp at a horse therapy center in Mexico City, July 29, 2010.
Location: La Hera Ranch, Iztapalapa, Mexico City, Mexico, North America