An Iranian woman jumps over a bonfire, in the Pardisan Park in Tehran, Iran, March 13, 2012, during Chaharshanbe Souri, or Wednesday Feast, an ancient Festival of Fire, on the eve of the last Wednesday of the year. Iranians jump over burning bonfires while throwing firecrackers, celebrating arrival of the spring which coincides with Iranian new year, or Nowruz. (Vahid Salemi/AP Photo)

Samia Jones, laughs along with other Spring Breakers in the foam pool during the Spring Break Foam Party at Discovery Green, March 13, 2012, Houston, Texas. (Michael Paulsen/Houston Chronicle/AP Photo)

Competitors in the Men's Under 18 2000m Steeplechase jump the water steeple during day one of the Australian Junior Athletics Championships at Sydney Olympic Park Athletic Centre on March 14, 2012 in Sydney, Australia. (Mark Metcalfe/Getty Images)

The wreckage of a tourist bus from Belgium is dragged by a tow truck outside the tunnel of the motorway A9, in Sierre, western Switzerland, March 14, 2012. Twenty-eight people were killed in the bus crash. (Laurent Gillieron/Keystone/AP Photo)

Noori, a cloned pashmina goat, stands inside a sheep breeding center at Sher-e-Kashmir University of Agricultural Sciences and Technology in Alastang, some 15 miles from Srinagar, India, March 14, 2012. Scientists at the university successfully cloned the world's first pashmina goat, prized for its fine wool, according to news reports. (Dar Yasin/AP Photo)

Ultra Orthodox Jews gather around the body of Rabbi Moshe Yehoshua Hager, leader of the Hassidic sect Vizhnitz in Israel, at the Vizhnitz Synagogue during his funeral procession in Bnei Brak, Ultra Orthodox Jewish town near Tel Aviv, Israel, March 14, 2012. Rabbi Moshe Yehoshua Hager was 95. (Oded Balilty/AP Photo)

Elliott Buckleair, 3, looks up at the Williams Tower Waterwall at Gerald D. Hines Waterwall Park, March 13, 2012, in Houston. (Johnny Hanson/Houston Chronicle/AP Photo)

A white Bengal tiger yawns at the Dusit Zoo in Bangkok, Thailand, March 14, 2012. (Sakchai Lalit/AP Photo)

A member of Socialist Unity Center of India (SUCI) marches in a rally in New Delhi, India, March 14, 2012. The protest was against a price hike on essential commodities as well as rampant corruption. The placard, partly seen, reads "Stop Foreign Direct Investment." (Saurabh Das/AP Photo)

Delegates in ethnic minority attire arrive for the closing session of the National People's Congress in Beijing's Great Hall of the People in China, March 14, 2012. (Andy Wong/AP Photo)

A young girl poses as the Jack of Spades while shoppers make their way past her on a busy shopping street, March 14, 2012, in Singapore. (Wong Maye-E/AP Photo)