People walk along a high cliff wall on a glass-floored sightseeing walkway in Zhangjiajie, Hunan Province, China, on August 1, 2016. #

An aerial drone view of trees with fall foliage along a small lake in Nanjing, China. #

A section of the Great Wall near Beijing in winter. #

A suburban neighborhood in Wuhan, Hubei, China, viewed on March 11, 2016. #

A flock of sheep in Inner Mongolia's Gobi Desert on July 21, 2016. #

Longyin Temple, overlooking the Shunan Bamboo Sea in Yibin, Sichuan Province, China. #

Looking down on Shanghai's Yu Yuan garden after a snowfall. #

A lotus field in Quzhou, Zhejiang Province, China, photographed on July 9, 2016. #

Terraced fields near Tiger-Mouth Village, Yuanyang, Yun'nan, China. #

Looking down on part of Hong Kong, near Victoria Peak. #

Nanpu Bridge in Shanghai. #

Solar panels cover south-facing hillsides in a part of rural China. #

Putuo Dao Island Temple on Erhai Lake in Dali, Yunnan Province. #

Dunes in the Gobi Desert in northwestern China, photographed on July 18, 2016. #

The largest Miao village in Guizhou, home to about 1,000 families. #

Employees work at a vinegar and soy sauce mill in Zhenjiang, Jiangsu province, on January 26, 2016. #

Rapeseed in bloom in Yunnan Province. #

A forest seen from above after snowfall in Xi'an, Shaanxi province, on January 31, 2016. #

Jiangcun market in Xixi National Wetland Park in Hangzhou, Zhejiang Province. #

A high-speed train travels through Anshun in southwest China's Guizhou province on March 16, 2017. #

A residential area in Shanghai. #

An aerial view of a frozen lake near Zhangjiakou in Hebei Province, northern China. #

The Emperors Yan and Huang memorial in Henan Province. At 348 feet tall (106 meters), the statues were purposely built larger than Mount Rushmore. #

People perform Tai Chi as part of a National Fitness Day event in Rongan in China's southwestern Guizhou province on August 8, 2017. #

Mountains in the Gobi Desert in northwestern China on July 18, 2016. #

Curved flyovers and multi-lane highways intersect in Shanghai. #

Chinese fishermen draw a net as they catch fish in Qiandao Lake in Zhejiang province on March 29, 2018. #

Aerial view of the Jiankou Great Wall on February 23, 2017, near Beijing, China. #

Green rice terraces viewed in the morning in Guizhou Province. #

This September 24, 2016, photo shows the 500-meter Aperture Spherical Radio Telescope (FAST) in Pingtang, Guizhou Province. FAST is currently undergoing testing. #

A twisting mountain road in China's Xinjiang Uygur Autonomous Region. #

Aerial view of the Li River on a hazy day. #

Fall colors in trees lining the waters edge in a small lake near Nanjing, China. #

Zhangjiajie National Forest Park. #