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Expo '70 pavilions take shape as they are built in Osaka, Japan, Sept. 1969. (AP Photo/Mitsunori Chigita)

Expo '70 pavilions take shape as they are built in Osaka, Japan, Sept. 1969. (AP Photo/Mitsunori Chigita)

Expo '70 pavilions take shape as they are built in Osaka, Japan, Sept. 1969. (AP Photo/Mitsunori Chigita)

Expo '70 pavilions take shape as they are built in Osaka, Japan, Sept. 1969. (AP Photo/Mitsunori Chigita)

Expo '70 pavilions take shape as they are built in Osaka, Japan, Sept. 1969. (AP Photo/Mitsunori Chigita)

A sheet of corrugated iron swung on post serves as gas alarm signal in an undated photo. (AP Photo)

An elderly Thai woman who fled clashes between Thai and Cambodian soldiers eats betel nuts at an evacuation center in Surin province, northeastern Tha...

Opposition activist Ales Kirkevich, arrested during an election-night rally in December to protest the results of the vote that extended the rule of P...

An employee comes out of her office at the headquarters of Hynix Semiconductor Inc. in Seoul, South Korea, Thursday, April 28, 2011. Hynix Semiconduct...

Minori Sato, 15, carrying a picture of her late brother Takanori, leaves the main hall after praying during a memorial service for the victims of the...

MINAMISOMA, Japan - A couple who lost their son in the March 11, 2011, tsunami look up at carp streamers flying in the air on April 28 in Minamisoma,...

German fashion designer Karl Lagerfeld reacts as he arrives to promote a commercial he made for an ice cream company, Thursday, April, 28, 2011 in Par...

A Kashmiri protester throws stones at Indian police, unseen during a protest in Srinagar, India, Thursday, April 28, 2011. Protests erupted in a neigh...

A masked Kashmiri protester throws stones at Indian police, unseen during a protest in Srinagar, India, Thursday, April, 28, 2011. Protests erupted in...

Kashmiri school children run for cover as protestors, unseen, throw stones at Indian police men during a protest in Srinagar, India, Thursday, April,...

German fashion designer Karl Lagerfeld, centre, arrives to promote a commercial he made for an ice cream company, Thursday, April, 28, 2011 in Paris....

Russian Prime Minister Vladimir Putin jokes during the World Health Organization meeting on healthy lifestyle in Moscow on Thursday, April 28, 2011. (...

Kamel Kabtane, the rector of the Grand Mosque of Lyon, poses in the mosque in Lyon, central France, Thursday, April 28, 2011. The French mosque is see...

AC Milan midfielder Clarence Seedorf shakes hands with Italian Premier Silvio Berlusconi after being appointed Knight in the Order of Orange Nassau by...

Indiana State's Kelly Steffen sails to the pit during the long jump event in the heptathlon at the Drake Relays athletics meet, Thursday, April 28, 20...

Montana's Lindsey Hall sails to the pit during the long jump event in the heptathlon at the Drake Relays athletics meet, Thursday, April 28, 2011, in...

North Dakota State's Whitney Carlson hits the sand during the long jump event in the heptathlon at the Drake Relays athletics meet, Thursday, April 28...

This product image provided by Eye-Fi Inc., shows the Eye-Fi Connect/X2, SD memory card with Wi-Fi. The card fits most cameras, and through a nifty bi...

9 year-old Dolan Arbogast walks past what used to be a home after high winds destroyed homes as in the Camp Creek Community Thursday, April 28, 2011 i...

A three week old peregrine falcon is banded by University of California Santa Cruz Predatory Bird Research Group scientists near the edge of the 33rd...

"Dapper Dan", a male peregrine falcon, keeps watch as he circles the 33rd floor of the Pacific Gas & Electric building as scientists from the Universi...

A three week old peregrine falcon waits to be banded by University of California Santa Cruz Predatory Bird Research Group scientists as it sits near t...

A man walks alone through the grave markers as he makes his way to the burial service at Fort Snelling National Cemetery for Army Spc. Joseph Kennedy...

Allan Jack walks his dog Buzz while surveying the damage from fallen trees in his neighborhood during high winds in Lockport, N.Y., Thursday, April 28...

Workers toss sandbags to stack atop the flood wall they are building to try to keep the flooding Ohio River out of Smithland, Ky., Thursday, April 28...

Judy Alderman, 56, walks through her house Thursday, April 28, 2011 following a tornado in Glade Spring, Va. Alderman hid under a set of stairs with h...

Judy Alderman, 56, walks through her house Thursday, April 28, 2011 following a tornado in Glade Spring, Va. Alderman hid under a set of stairs with h...

Metal siding hangs from a power line at a home Thursday, April 28, 2011 following a tornado in Glade Spring, Va. Several homes and trucks stops along...

A resident looks over the flooded Route 15 in Cambridge, Vt., on Thursday, April 28, 2011. (AP Photo/Toby Talbot)

Yvone Engle surveys what is left of her home that she and her husband Elvis Ray Engle, survived the tornado that hit Phil Campbell Thursday April 27,...

Debris covers fire trucks at the Eoline Volunteer Fire Department near Centreville, Ala., Thursday, April 28, 2011, where a tornado struck the day bef...

A three-month-old ocelot kitten drops a mouse in an enclosure at the Woodland Park Zoo Thursday, April 28, 2011, in Seattle. The kitten, named Evita,...

A three-month-old ocelot kitten wanders through an enclosure at the Woodland Park Zoo Thursday, April 28, 2011, in Seattle. The kitten, named Evita, w...

Exhibit technician John Evans wraps his arms around an animatronic Styracosaurus dinosaur that was squeeking and needed repair at the Woodland Park Zo...

An animatronic Dilophosaurus dinosaur "spits" a stream of water at the Woodland Park Zoo Thursday, April 28, 2011, in Seattle. The limited-engagement...

Employee Gigi Allianic smiles as she stands near an animatronic Tyrannosaurus rex dinosaur at the Woodland Park Zoo Thursday, April 28, 2011, in Seatt...

An Asian elephant calf, born at the Oklahoma City Zoo April 15, 2011, is pictured with her mother, Asha, a 16-year old Asian elephant, in Oklahoma Cit...

Three-month-old ocelot kitten Evita is shielded by her mother, 10-year-old Bella, in an enclosure at the Woodland Park Zoo Thursday, April 28, 2011, i...

An animatronic hatchling Edmontosaurus dinosaur is petted by a worker at the Woodland Park Zoo Thursday, April 28, 2011, in Seattle. The limited-engag...

People walk along the streets in the Alberta City neighborhood Thursday April 28, 2011, after a tornado struck Tuscaloosa, Ala. the day before. Massiv...

This photo provided by the American Jewish Joint Distribution Committee shows a group of French Jewish refugee children who arrived from Marseilles vi...

Tennis star Serena Williams coaches a group of kids during the 10th anniversary celebration of the Southeast Tennis and Learning Center on Thursday, A...

A student with artificial limb rests in a classroom at the Dujiangyan Friendship School in Chengdu in southwest China's Sichuan province on April 28,...

A student sits on a wheelchair at the Dujiangyan Friendship School in Chengdu in southwest China's Sichuan province on April 28, 2011. There are 120 d...

In this photo taken on Wednesday, April 13, 2011, a Jewish settler exercises next to a tree, in the Jewish West Bank settlement of Anatot, near Jerusa...