U.S. battalion returns to South Korea, historic flooding in Argentina, West Bank rioting and more.
April 4, 2013 The sun shines through the barbed wire at a military checkpoint near Paju, South Korea. The checkpoint is on a road that leads to a industrial park in North Korea just past the demilitarized zone. North Korean officials this week closed access to the park, which has long been a symbol of cooperation between the two nations. Chung Sung-Jun/Getty Images Buy Photo