Road

An elderly Afghan refugee man walks toward the main road through a muddy slippery track, during a rainfall in a poor neighborhood on the outskirts of Islamabad, Pakistan, Friday, March 28, 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 in their country. Since the 2002 U.S.-led invasion of Afghanistan some 3.8 million Afghans have returned to their home country, according to the U.N. s refugee agency, thousands of them still live without electricity, running water and other basic services.

Muhammed Muheisen/AP

An elderly Afghan refugee man walks toward the main road through a muddy slippery track, during a 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.

Children play on improvised swings on a tow truck parked on a roadside in Mumbai March 24, 2014.

Mansi Thapliyal/Reuters

Children play on improvised swings on a tow truck parked in Mumbai, India.

Snow plows clear downtown lanes on Interstate 75/85 during a winter storm on Wednesday, Feb. 12, 2014, in Atlanta.  Across the South, winter-weary residents woke up Wednesday to a region encased in ice, snow and freezing rain, with forecasters warning that the worst of the potentially "catastrophic" storm is yet to come.

David Tulis/AP

A snow plow clears downtown lanes on Interstate 75/85 during a winter storm on Wednesday in Atlanta.

Protesters dance at a crossroad in Hebron, near Pretoria, on February 7, 2014 during a protest for basic government services. South African police fired stun grenades, tear gas and rubber bullets on February 6, 2014 to disperse thousands of rioters demanding basic government services in communities near Pretoria and Johannesburg. Security forces were deployed to several flashpoints in Gauteng province as protesters blocked streets and set ablaze police stations and other municipal buildings as well as tyres.

Marco Longari/AFP

Protesters dance at a crossroad in Hebron, near Pretoria, on Friday during a protest for basic government services. South African police fired stun grenades, tear gas and rubber bullets on Thursday to disperse thousands of rioters demanding basic government services in communities near Pretoria and Johannesburg.

A traffic policeman signals to drivers during a smoggy day in Harbin, Heilongjiang province, October 21, 2013. The second day of heavy smog with a PM 2.5 index has forced the closure of schools and highways, exceeding 500 micrograms per cubic meter on Monday morning in downtown Harbin, according to Xinhua News Agency.

China Daily/Reuters

A traffic policeman signals to drivers during a smoggy day in Harbin, Heilongjiang Province. The second day of heavy smog forced the closure of schools and highways on Monday, according to Xinhua News Agency.

Filipinos walk along the road destroyed by a 7.2-magnitude earthquake  in Cortez  town, Bohol province, central Philippines, 16 October 2013. The death toll in a powerful earthquake in the Philippines has risen to 144, the national disaster risk management agency said 16 October.  At least 23 were reported missing and believed trapped in collapsed buildings in Bohol Province, 640 kilometres south of Manila, it added. Nearly 300 were injured in October 15  magnitude-7.2 tremor, the worst to hit the Philippines in two decades.

Dennis M. Sabangan/EPA

Filipinos walk along a road destroyed by a 7.2-magnitude earthquake in Cortez town, Bohol province, central Philippines. The death toll after the earthquake has risen to 144, the national disaster risk management agency said on Wednesday. At least 23 were reported missing and believed trapped in collapsed buildings in Bohol Province, 640km south of Manila, it added. Nearly 300 were injured in the tremor, the worst to hit the Philippines in two decades.

A man waits to cross a road junction in Singapore August 29, 2013. REUTERS/Edgar Su

Edgar Su/Reuters

A man waits to cross a road at a junction in Singapore