Chinese migrants cross into US for political and economic reasons. High approval rate for Chinese political asylum seekers.

Aerial view of coking plant and smog on March 17, 2017 in Huanghua, China. (No audio).

Aerial view of coking plant and smog on March 17, 2017 in Huanghua, China. (No audio).

Aerial view of coking plant and smog on March 17, 2017 in Huanghua, China. (No audio).

Aerial view of coking plant and smog on March 17, 2017 in Huanghua, China. (No audio).

Aerial view of coking plant and smog on March 17, 2017 in Huanghua, China. (No audio).

Aerial view of coking plant and smog on March 17, 2017 in Huanghua, China. (No audio).

High Speed Bullet Train Leaving Station, Shijiazhuang, China

Aerial view of oil pumping units, fishing boat and wind turbine on March 17, 2017 in Huanghua, China. (No audio).

Aerial view of Dagang oil field, oil tank truck and smog on March 17, 2017 in Huanghua, China. (No audio).

Aerial view of Dagang oil field, oil tank truck and smog on March 17, 2017 in Huanghua, China. (No audio).

Aerial view of fishing boat on March 17, 2017 at Huanghua, Hebei Province, China. (No audio).

Aerial view petrochemical plant, oil tank truck and smog on March 17, 2017 in Huanghua, China. (No audio).

Aerial view of coking plant and smog on March 17, 2017 in Huanghua, China. (No audio).

Aerial view petrochemical plant and smog on March 17, 2017 in Huanghua, China. (No audio).

View of Forbidden City and distant Beijing City from tower in Jing Shan Park, Beijing, China, Asia

China - October 2013: Chinese male dancers performing at Temple depicting scholars with bamboo scripts traditional costumes, Asia, slow motion

T/L WS The electricity power station under the sky with rolled clouds / Hebei, China

T/L WS Wind turbine under the sky with star trail / Hebei, China

CLEAN: Interior shots of a busy Beijing meat market with various butchers serving pork meat to customers on 30 November 2019 in Beijing, China

The experience of the Tokyo 2021 Summer Olympics will influence the epidemic prevention and control measures for the Beijing 2022 Winter Olympics, an official said Thursday during a media tour at the co-host city of Zhangjiakou (Footage...

Images of high winds and snowy slopes in Zhangjiakou mountain hub in China on the final day of the Winter Games (Footage by AFPTV via Getty Images)

Ukrainian Paralympic athletes attend a practice session for cross country skiing and biathlon in Zhangjiakou as the Beijing 2022 Winter Paralympic Games will open this week under the shadow of Russia's invasion of Ukraine (Footage by...

Time lapse view sun rising over Great Wall of China stone fortifications, Mutianyu nr Beijing, Mainland China, East Asia