Karnit Goldwasser, wife of Israeli soldier Ehud Goldwasser, mourns during his funeral at a military cemetery in Nahariya, northern Israel, Thursday, July 17, 2008. Thousands of mourners gathered in Nahariya to bury Goldwasser, the first of two soldiers returned in a prisoner exchange with Lebanon's Hezbollah guerrillas.
Credit: AP Photo/Ariel Schalit
A Pakistani girl holds up a plastic bag as she waits for her donated rice ration during a food distribution in Islamabad, Pakistan, Thursday, July 17, 2008. Growing economic and political uncertainty in Pakistan triggered nationwide protests.
Credit: AP Photo/Emilio Morenatti
Pope Benedict XVI admires the sky aboard a harbor cruise in Sydney, Australia, Thursday, July 17, 2008. The 81-year-old pope is in Australia along with hundreds of thousands of pilgrims who have converged on Sydney for the World Youth Day festival.
Credit: AP Photo/Gregorio Borgia
Children play in a fountain to cool off in Moscow, with the Arch of Triumph in the background, Thursday, July 17, 2008, as temperatures hovered in the upper 80s.
Credit: AP Photo/Alexander Zemlianichenko
A Carolina Wren has made a nest in the pocket of a pair of blue jeans hanging on a backyard clothes line in Willow Street, Pa., in this photo taken July 15,2008. Dave and Susie Butt provided this pocket condominium after finding twigs in the pockets of almost all their blue jeans.
Credit: AP/ Lancaster New Era, R. Hertzler
Padraig Harrington of Ireland plays from the rough on the 17th hole during the first round of the British Open Golf championship, at the Royal Birkdale golf course, Southport, England, Thursday, July 17, 2008.
Credit: AP Photo/Peter Morrison
Pupils from the Nkalane Junior Secondary School peep through a window as the school choir prepares for Nelson Mandela's birthday in Qunu, South Africa, Thursday, July 17, 2008. The anti-apartheid icon will spend his 90th birthday on Friday, July 18, 2008, at home in Qunu with his family, and the whole village is celebrating.
Credit: AP Photo/Themba Hadebe
A color-enhanced image of the delta in Mars' Jezero Crater. Studies based on data from NASA's Mars Reconnaissance Orbiter have revealed that the Red Planet once hosted vast lakes, flowing rivers and a variety of other wet environments that had the potential to support life. The data is from images taken by the Compact Reconnaissance Imaging Spectrometer for Mars and other instruments on the Mars orbiter.