A Chinese paramilitary police officer yawns after taking part in a ceremony where the officers pledged to ensure safety during the Olympic Games, in front of the National Stadium, also known as the Bird’s Nest at the Olympic Green in Beijing, Wednesday, July 23, 2008. (AP Photo/Andy Wong)
Overall view during a dress rehearsal of the opera “Tosca” by Giacomo Puccini, Friday evening, July 18, 2008, at the Floating-Stage in Bregenz, Austria. The opera will start July 23, 2008, as a part of the Bregenzer Festival. (AP Photo/Winfried Rothermel
Tracy Roberts, 33, of Rockville, Md. has her toes nibbled on by a type of carp called garra rufa, or doctor fish, during a fish pedicure treatment at Yvonne Hair and Nails salon in Alexandria, Va. on Thursday July 17, 2008. (AP Photo/Jacquelyn Martin)
A U.S. Soldier and his Military Dog Lucky play while taking a break during a cordon and search in Mosul, Iraq on June 8, 2008. You Witness News/U.S. Army photo by PFC Sarah De Boise/Released. Reuters.
A member of a counter narcotics police unit walks along an illegal airstrip in Uribia, northeastern Colombia, near the border with Venezuela, Thursday, July 24, 2008. Colombian police destroyed four clandestine airstrips used by drug traffickers. (AP Photo/Fernando Vergara)
FH Bochum Solar Car Team from Germany, drives their solar car SolarWorld 1 across the Canadian prairies in the North American Solar Car Challenge near Medicine Hat, July 22, 2008.
A man pedals his bicycle down a flooded street in Brownsville, Texas as Hurricane Dolly hits the area on Wednesday, July 23, 2008. Dolly barreled into South Texas on Wednesday, lashing the coast with winds up to 100 mph and dumping heavy rain that threatened to flood low-lying areas but spared levees along the heavily populated Rio Grande Valley. (AP Photo/Matt Slocum)
Finishing touches are completed, as the Ballroom at Buckingham Palace is set up for a State Banquet in London, Friday, July 25, 2008. For the first time ever, summer visitors to Buckingham Palace will be able to view how the room is set up for an official State Banquet, when The Queen entertains around 170 guests on the first evening of a State Visit. (AP Photo/Kirsty Wigglesworth)
South Korean elementary school students shout the word “mother” as they lay in the water during an exercise at a marine boot camp for students on Daebu Island, in Ansan,South Korea, Thursday, July 24, 2008. Some 70 students took part in the three-day camp as a way to mentally and physically strengthen themselves. (AP Photo/Ahn Young-joon)
People are seen ahead of spending a night waiting in line for a chance to buy tickets for the 2008 Beijing Olympics games, in Beijing, China, Thursday, July 24, 2008. (AP Photo/Robert F. Bukaty)