A Pakistani boy plays with a tire next to a slum during sunset on the outskirts of Islamabad, Pakistan, Monday, Jan. 31, 2011. (AP Photo/Muhammed Muheisen)

A Pakistani boy plays with a tire next to a slum during sunset on the outskirts of Islamabad, Pakistan, Monday, Jan. 31, 2011. (AP Photo/Muhammed Muheisen)

A stray dog sleeps next to sleeping homeless children in Katmandu, Nepal, Tuesday, Feb. 1, 2011. (AP Photo/Gemunu Amarasinghe)

A stray dog sleeps next to sleeping homeless children in Katmandu, Nepal, Tuesday, Feb. 1, 2011. (AP Photo/Gemunu Amarasinghe)

A Pakistan man enjoys an evening walk at a park in Islamabad, Pakistan on Saturday, Nov. 27, 2010. (AP Photo/Anjum Naveed)

A Pakistan man enjoys an evening walk at a park in Islamabad, Pakistan on Saturday, Nov. 27, 2010. (AP Photo/Anjum Naveed)

Buddhist monks gather at a monastery’s dining hall to consume alms offered by devotees in Bago, about 60 kilometers (40 miles) northeast of Yangon, Myanmar, Thursday, Nov. 25, 2010. (AP Photo)

Buddhist monks gather at a monastery’s dining hall to consume alms offered by devotees in Bago, about 60 kilometers (40 miles) northeast of Yangon, Myanmar, Thursday, Nov. 25, 2010. (AP Photo)

An Afghan boy pushes a hand cart in West Now Ruzi village, district Panjwai, Afghanistan’s Kandahar province, Wednesday evening, Nov. 24, 2010. (AP Photo/Alexander Zemlianichenko)

An Afghan boy pushes a hand cart in West Now Ruzi village, district Panjwai, Afghanistan’s Kandahar province, Wednesday evening, Nov. 24, 2010. (AP Photo/Alexander Zemlianichenko)

Pakistani students of an Islamic seminary enjoy a swing ride at a park in Islamabad, Pakistan on Tuesday, Nov. 2, 2010. (AP Photo/Anjum Naveed)

Pakistani students of an Islamic seminary enjoy a swing ride at a park in Islamabad, Pakistan on Tuesday, Nov. 2, 2010. (AP Photo/Anjum Naveed)

A Pakistani observes the view from a dome-shaped terrace at a park in Islamabad, Pakistan Monday, Nov. 1, 2010. (AP Photo/Anjum Naveed)

A Pakistani observes the view from a dome-shaped terrace at a park in Islamabad, Pakistan Monday, Nov. 1, 2010. (AP Photo/Anjum Naveed)

A Pakistani farmer sorts the wheat during the harvest in Muzaffargarh in Punjab province, Pakistan, Monday, Nov. 1, 2010. (AP Photo/Muhammed Muheisen)

A Pakistani farmer sorts the wheat during the harvest in Muzaffargarh in Punjab province, Pakistan, Monday, Nov. 1, 2010. (AP Photo/Muhammed Muheisen)

A municipal worker clears away autumnal leaves as the first snow of winter blankets the ground in a park in Moscow, Russia, Friday, Oct. 29, 2010. (AP Photo/Alexander Zemlianichenko)

A municipal worker clears away autumnal leaves as the first snow of winter blankets the ground in a park in Moscow, Russia, Friday, Oct. 29, 2010. (AP Photo/Alexander Zemlianichenko)

Slackliner Jan Galek of Poland exercises in a park in Berlin, Germany, Monday, Oct. 25, 2010. (AP Photo/Gero Breloer)

Slackliner Jan Galek of Poland exercises in a park in Berlin, Germany, Monday, Oct. 25, 2010. (AP Photo/Gero Breloer)

An Afghan woman passes by an parliamentary elections graffiti in Herat, west of Kabul, Afghanistan, Monday, Oct. 25, 2010.

An Afghan woman passes by an parliamentary elections graffiti in Herat, west of Kabul, Afghanistan, Monday, Oct. 25, 2010.

Car traffic is seen on a highway during sunset in Moscow, Russia, Monday, Oct. 18, 2010 (AP Photo/Sergey Ponomarev)

Car traffic is seen on a highway during sunset in Moscow, Russia, Monday, Oct. 18, 2010 (AP Photo/Sergey Ponomarev)

A man passes through morning sunlight shining through a steam vent on a sidewalk in Philadelphia, Wednesday, Oct. 13, 2010. (AP Photo/Matt Rourke)

A man passes through morning sunlight shining through a steam vent on a sidewalk in Philadelphia, Wednesday, Oct. 13, 2010. (AP Photo/Matt Rourke)

A boy’s face is covered in flour after competing in the traditional “Las Chamacas” game of blowing into bowls of flour during celebrations honoring the town’s patron saint “Santa Cruz de Roma,” or “The Holy Cross of Rome,” in Panchimalco, El Salvador, Sunday Sept. 12, 2010. The Santa Cruz de Roma will be carried in procession through the town Monday as part of the three-day celebration. (AP Photo/Luis Romero)

A boy’s face is covered in flour after competing in the traditional “Las Chamacas” game of blowing into bowls of flour during celebrations honoring the town’s patron saint “Santa Cruz de Roma,” or “The Holy Cross of Rome,” in Panchimalco, El Salvador, Sunday Sept. 12, 2010. The Santa Cruz de Roma will be carried in procession through the town Monday as part of the three-day celebration. (AP Photo/Luis Romero)