People enjoy the view of sunset in the flood in Venice, Italy, Nov. 17, 2019. (Photo by Elisa Lingria/Xinhua)

The Fourth World Media Summit Presidium Meeting is held in Shanghai, east China, Nov. 18, 2019. Senior executives of 13 media organizations from 11 countries attended the meeting themed on "New Era, New Media and New Vision". (Xinhua/Ding Ting)

A student from Kenya practises at Wuqiao Acrobatic Art School in Wuqiao County of Cangzhou, north China's Hebei Province, Nov. 18, 2019. (Xinhua/Zhu Xudong)

An acrobat warms up before performance during the 6th China International Circus Festival in Zhuhai, south China's Guangdong Province, Nov. 17, 2019. (Xinhua/Lu Ye)

Photo taken on Nov. 18, 2019 shows a destroyed vehicle hit by an airstrike at a biscuit factory in south Tripoli, Libya. (Photo by Hamza Turkia/Xinhua)

A worker clears a road sign smeared by rioters on a pedestrian overbridge at Wan Chai, south China's Hong Kong, Nov. 17, 2019. (Xinhua/Li Zhen)

German Chancellor Angela Merkel attends a press conference after a German cabinet meeting in Meseberg, Germany, on Nov. 18, 2019. (Xinhua/Shan Yuqi)

Bill Gates, co-chair of the Bill & Melinda Gates Foundation, receives an exclusive interview with Xinhua in Seattle, the United States, on Nov. 13, 2019. (Xinhua/Qin Lang)

Gotabaya Rajapaksa is sworn in as the new president in Anuradhapura of North Central Province, Sri Lanka, on Nov. 18, 2019. (Photo by Ajith Perera/Xinhua)

Hou Weidong practises at his rope jumping club in Jilin City, northeast China's Jilin Province, Nov. 1, 2019. Hou Weidong, 41 years old, is a national coach who specializes in rope jumping skills. (Photo by Yan Linyun/Xinhua)

Photo taken on Nov. 6, 2019 shows the shadow of Cao Jiaxiang, a villager photographer, taking photos in Huangling Village of Wuyuan County, east China's Jiangxi Province. Cao Jiaxiang, a 44-year old farmer, fell in love with photography in 1993 when he bought his first camera. (Xinhua/Hu Chenhuan)

A man rides a bicycle amid dense fog on the outskirts of Jammu, the winter capital of Indian-controlled Kashmir, on Nov. 18, 2019. (Str/Xinhua)

Islamic State (IS) militants attend a surrender ceremony in Jalalabad city, capital of Nangarhar province, Afghanistan, Nov. 17, 2019. (Photo by Saifurahman Safi/Xinhua)

A Turkish national flag is seen in fog in Istanbul, Turkey, Nov. 18, 2019. (Xinhua/Xu Suhui)

In this aerial photo taken on Nov. 18, 2019, a farmer packs straw in a field in Caofeidian, north China's Hebei Province. (Xinhua/Xing Guangli)