pakistan

Pakistani women, wash their laundry at a water reservoir, on the outskirts of Islamabad, Pakistan, Thursday, March 20, 2014. The United Nations has proclaimed that March 20 is the International Day of Happiness.

Muhammed Muheisen/AP

Pakistani women, wash their laundry at a water reservoir, on the outskirts of Islamabad, Pakistan. The United Nations has proclaimed that March 20 is the International Day of Happiness.

An Afghan refugee girl, looks at men trying to clear sewage paths so rainwater can drain, in an attempt to avoid flooding during a heavy rainfall, in a poor neighborhood on the outskirts of Islamabad, Pakistan, Tuesday, March 11, 2014. For more than three decades, Pakistan has been home to one of the world s largest refugee communities: hundreds of thousands of Afghans who have fled the repeated wars and fighting their country has undergone.

Muhammed Muheisen/AP

An Afghan refugee looks at men trying to clear sewage paths so rainwater can drain, an attempt to avoid flooding during heavy rainfall, in a poor neighborhood on the outskirts of Islamabad, Pakistan. For more than three decades, Pakistan has been home to one of the world’s largest refugee communities.

An Afghan refugee boy reads from the board while he and other schoolchildren attend their classes at their makeshift school on the outskirts of Islamabad, Pakistan, Friday, March 7, 2014.

Muhammed Muheisen/AP

An Afghan refugee reads from the board while he and other schoolchildren attend their classes at a makeshift school on the outskirts of Islamabad, Pakistan

Pakistani health workers mark the thumb of a child after giving him polio vaccine drops to a child during a polio vaccination campaign in Rawalpindi, Pakistan, on February 25, 2014. Pakistani health workers go door-to-door to administer vaccinations to children for various diseases including polio, tuberculosis, tetanus, whooping cough, measles and hepatitis.Dr. Elias Durry, coordinating the World Health Organizations support to Pakistans polio eradication effort, said recorded 70 cases of polio last year and vaccinated 34 million children.

Metin Aktas/Anadolu Agency/Getty Images

Pakistani health workers mark the thumb of a child after giving him vaccine during a polio vaccination campaign in Rawalpindi, Pakistan. Pakistani health workers go door to door to administer vaccinations to children for diseases including polio, tuberculosis, tetanus, whooping cough, measles and hepatitis.

Pakistani students of a madrassa, or Islamic school, some sleeping while others study, in a Mosque in Islamabad, Pakistan, Monday, Feb. 24, 2014. Islamic schools form an important function within the Pakistani educational system, providing for many Pakistanis, the only educational institution they attend.

Muhammed Muheisen/AP

Pakistani students of a madrassa, or Islamic school, sleep while others study in a Mosque in Islamabad, Pakistan. Islamic schools form an important function within the Pakistani educational system, providing for many Pakistanis, the only educational institution they attend.

An Afghan refugee, Hamagai Akbar, 5, attends an event on the occasion of U.N. World Day Of Social Justice, at a makeshift school set up in a mosque on the outskirts of Islamabad, Pakistan, Thursday, Feb. 20, 2014. According to the U.N. website, the occasion aims to support efforts for "poverty eradication, the promotion of full employment and decent work, gender equity and access to social well-being and justice for all." (AP Photo/Muhammed Muheisen)

Muhammed Muheisen/AP

An Afghan refugee, five-year-old Hamagai Akbar, attends an event on UN World Day of Social Justice, at a makeshift school set up in a mosque on the outskirts of Islamabad, Pakistan. The UN says the occasion aims to support efforts for ‘poverty eradication, the promotion of full employment and decent work, gender equity and access to social well-being and justice for all’ Read more

Soldiers march out of the Great Hall of the People before a welcome ceremony held by Chinese President Xi Jinping for visiting Pakistani President Mamnoon Hussain (both not seen), in Beijing, China, 19 February 2014. The Pakistani president is on an official visit in China; his first foreign trip since taking office.

Alexander F. Yuan/EPA

Soldiers march out of the Great Hall of the People, Beijing, China, before a welcome ceremony held by Chinese president Xi Jinping for visiting Pakistani president Mamnoon Hussain. Mr Hussain is on an official visit to China, his first foreign trip since taking office

Pakistani men, who were displaced with their families from Pakistan's tribal areas due to fighting between the Taliban and the army, clear open sewage paths so rainwater can drain, in an attempt to avoid flooding during a heavy rainfall, in a poor neighborhood on the outskirts of Islamabad, Pakistan, Monday, Feb. 3, 2014.

Muhammed Muheisen/AP

Pakistani men clear open sewage paths in a poor neighbourhood on the outskirts of Islamabad, Pakistan, in an attempt to avoid flooding. The men and their families have been displaced from tribal areas because of fighting between the Taliban and the army.

Children are silhouetted against the setting sun as they play on the outskirts of Lahore January 28, 2014.

Mohsin Raza/Reuters

Children play on the outskirts of Lahore, Pakistan Read more

Dressed in a burqa, a Pakistani child, whose family was displaced from Pakistan's tribal areas due to fighting between the Taliban and the army, stands outside a mosque, where children heir daily Madrassa, or Islamic school, on the outskirts of Islamabad, Pakistan, Tuesday, Jan. 28, 2014.

Muhammed Muheisen/AP

Dressed in a burka, a Pakistani child, whose family was displaced from Pakistan’s tribal areas due to fighting between the Taliban and the army, stands outside a mosque, where children hold daily Madrasa, or Islamic school, on the outskirts of Islamabad, Pakistan