A visitor stands at the South Korea Pavilion at the World Expo site on the trial day Friday, April 23, 2010, in Shanghai, China.
Shanghai's Expo, which opens on May 1, is likely to be the largest world's fair ever, with some 70 million visitors expected to attend in the six months before it closes on Oct. 31.
Credit: AP Photo/Eugene Hoshiko
Palestine's Protests Up in Flames
A Palestinian demonstrator jumps over burning tires during a protest over water supplies in the West Bank village of Nabi Salah, Friday, April 23, 2010.
The water supply is used by Jewish settlers from the nearby settlement of Halamish and is claimed by both sides.
Credit: AP Photo/Nasser Ishtayeh
Facing Hurdles in Iowa
Southeast Polk's Tyler Donels, right, trips over a hurdle as Linn-Mar Marion's Kyle Dunn clears the final hurdle during the high school boys 110-meter hurdles final at the Drake Relays athletics meet, Friday, April 23, 2010, in Des Moines, Iowa.
Credit: AP Photo/Charlie Neibergall
Suspected Pirate Arrives in Court
A suspected pirate from Somalia looks around as he is escorted into federal court by US Marshal's in Norfolk, Va., Friday, April 23, 2010. A group of eleven suspected pirates are due to be arraigned and tried in the Norfolk Federal court.
Credit: AP Photo/Steve Helber
Indian Strike Calls for Protection
An Indian paramilitary soldier stands guard as a Kashmiri girl watches from a doorway during a strike in Srinagar, India, Friday, April 23, 2010.
The strike was called by separatists in protest against an Indian court decision on Thursday that sentenced three men to death for orchestrating a bombing that left 13 people dead in a New Delhi market in 1996. Two of the men were from Kashmir.
Credit: AP Photo/Mukhtar Khan
Moscow's Elderly Take a Stand
A woman attacks a police officer as they try to disperse residents of the Moscow region, who rally at Manezh Square in Moscow to demand a meeting with President Dmitry Medvedev on Friday, April 23, 2010. Protesters claim their land was illegally taken away by authorities.
Credit: AP Photo/Sergey Ponomarev
Thai Anti-Government Protesters Won't Surrender
Anti-government demonstrators confront police in front of a makeshift barricade Friday morning, April 23, 2010, in Bangkok, Thailand.
Security forces and agitated protesters faced off at a major intersection Friday morning after bloody grenade attacks rattled Thailand's chaotic capital, a scene of tense, weekslong confrontations between die-hard demonstrators and a wavering government.
Credit: AP Photo/Sakchai Lalit
Hillary Takes on NATO Foreign Ministers
U.S. Secretary of State Hillary Rodham Clinton, left, speaks with Lithuanian Foreign Minister Audronius Azubalis during a meeting of NATO foreign ministers and their partners in Tallinn, Estonia, Friday, April 23, 2010.
U.S. Secretary of State Hillary Rodham Clinton is expected to press other NATO nations to provide more trainers for Afghanistan's police and military forces as part of preparations to withdraw Western troops from there by summer 2011.