Snapshots: the world in 24 hours

Colombia's Teofilo Gutierrez (L) and Argentina's Pablo Zabaleta fall to the ground during their match in the first round of the Copa America soccer tournament in Santa Fe, July 6, 2011. [Photo/Agencies]

A rainbow rises over a farm after a rainstorm in Charlestown, New Hampshire July 6, 2011. Voters in the Iowa caucus and the New Hampshire primary will be the first to cast ballots in the upcoming U.S. Presidential race. [Photo/Agencies]