China from above

An aerial view shows people traveling along a road inside the Danxia National Geological Park, in Zhangye, Gansu province, China, July 5, 2015. The national geological park is known for its colorful and special rock formations. REUTERS/Sheng Li

Vehicles drive on the Guomao Bridge during the evening rush hour in Beijing, September 3, 2014. REUTERS/Jason Lee

An aerial picture shows new Chevrolet cars at a General Motors' parking lot in Shenyang, Liaoning province, China, June 28, 2015. REUTERS/Stringer

Workers pick tea leaves at a tea plantation in Dongyang, Zhejiang province, March 25, 2015. REUTERS/China Daily

Skyscrapers Shanghai World Financial Center (R) and Jin Mao Tower are seen during heavy rain at the financial district of Pudong in Shanghai May 15, 2015. REUTERS/Aly Song

A aerial view shows tourists visiting a full-scale replica of the Old Summer Palace, also known as Yuanmingyuan, in Dongyang, Zhejiang province, China, May 9, 2015. The replica reconstructs 95 percent of the original architecture of the Old Summer Palace in Beijing, which was destroyed in 1860 by British and French troops. REUTERS/Stringer

An aerial view of a public cemetery ahead of the Qingming Festival, or Tomb Sweeping Day in Hangzhou, Zhejiang province, March 26, 2015. REUTERS/Stringer

An aerial view shows a man jogging along a road inside the Danxia National Geological Park, in Zhangye, Gansu province, China, July 5, 2015. REUTERS/Sheng Li

A group of 1000 customers receive a facial massage at a sports center in Jinan, Shandong province, China, May 4, 2015. REUTERS/Stringer

A bird's eye view shows people assembling a giant "carpet" with candies on a pedestrian street next to a panda sculpture hanging on the exterior wall of a department store, in Chengdu, Sichuan province January 20, 2015. REUTERS/Stringer

A general view of central Tianjin taken from Tianjin World Financial Center, April 15, 2013. REUTERS/China Daily

An aerial view shows the Jiashao Cross-Sea Highway Bridge connecting Jiaxing and Shaoxing across the estuary of Qiantang River, Zhejiang province June 17, 2013. REUTERS/China Daily

Polluted water in Songhua River reaches Harbin, the capital of northeastern Heilongjiang province November 24, 2005. REUTERS/China Newsphoto

Old residential buildings are demolished with controlled blasting in Chongqing municipality, June 16, 2015. REUTERS/China Daily

General view of downtown Shanghai on a hazy night January 25, 2015. REUTERS/Aly Song

Scrapped motorbikes are seen piled up at a scrapyard in Binzhou, Hunan province, China, June 9, 2015. REUTERS/Stringer

A view of the city skyline is seen from the Shanghai Financial Center building in Shanghai October 23, 2014. REUTERS/Aly Song

A man uses electric rods to catch fish at a river junction point in Xi'an, Shaanxi province, May 21, 2013. REUTERS/Stringer

Men talk as they are seen reflected in a window of a building at the Pudong financial district in Shanghai March 18, 2014. REUTERS/Carlos Barria