Tents outside a hospital light up at night after Saturday's earthquake hit Lushan county, Ya'an, Sichuan province, on April 22. Hundreds of survivors of an earthquake that killed nearly 200 people in southwest China pushed into traffic on a main road on Monday, waving protest signs, demanding help and shouting at police. The Chinese characters on the tent read "Disaster relief".

Medical personnel work with a flashlight in a temporary settlement in Lingguan Middle School in Baoxing county of Yaan, southwest China's Sichuan province, on April 21.

Chinese soldiers cook breakfast in a rescue camp in Taiping town, Lushan County, Sichuan Province, China, on April 23.

Residents gather around a fire outside damaged homes in Taiping town, Lushan County, Sichuan Province, China, on April 23.

People gather at a power supply station in a temporary settlement in Lingguan Middle School in Baoxing county of Yaan, southwest China's Sichuan province, on April 21.

A man works in a shed at a temporary settlement in Lingguan Middle School in Baoxing county of Yaan, southwest China's Sichuan province, on April 21.

People fall asleep at the power supply station at a temporary settlement in Lingguan Middle School in Baoxing county of Yaan, southwest China's Sichuan province on April 22.

Muslim girls study in the light of candles inside a madrasa, or religious school, during power-cut in Noida on the outskirts of New Delhi, on July 30. Grid failure left more than 300 million people without power in New Delhi and much of northern India for hours on Monday in the worst blackout for more than a decade, highlighting chronic infrastructure woes holding back Asia's third-largest economy.

An Indian passenger sits as others sleep inside the compartment of a stationary train following the power outage that struck in the early hours of Monday, on July 30, at a train station in New Delhi, India. A major power outage has struck northern India, plunging cities into darkness and stranding hundreds of thousands of commuters.

Indian passengers wait for their train at a railway station following an overnight power outage in New Delhi, on July 30.

Pedestrians are shown on Boylston Steet after a transformer fire sent black smoke into streets and plunged parts of the city into darkness in the Back Bay section of downtown Boston on March 13. A three alarm fire caused power problems as citizens were warned to avoid the area avoid breathing the smoke according to officials.

An police officer wears a protective mask as he helps load city buses after a transformer fire sent black smoke into streets and plunged parts of the city into darkness in the Back Bay section of downtown Boston on March 13. A three alarm fire caused power problems as citizens were warned to avoid the area avoid breathing the smoke according to officials.

A police officer helps load city buses after a transformer fire sent black smoke into streets and plunged parts of the city into darkness in the Back Bay section of downtown Boston on March 13. A three alarm fire caused power problems as citizens were warned to avoid the area avoid breathing the smoke according to officials.