An employee demonstrates a wearable AI-powered bionic hand at the JD Global Technology Discovery Conference in Beijing, capital of China, Nov. 25, 2020. The conference, sponsored by JD.com, a leading e-commerce platform in China, kicked off here on Wednesday under the theme of "digital intelligence, interconnection, and shaping the future." (Photo: Xinhua)

Rescuers perform rescue task during an earthquake emergency drill in Haikou, south China's Hainan Province, Nov. 25, 2020. The emergency drill features search and rescue, medical treatment, and epidemic prevention.

A drone sprays anti-mosquito chemicals in Brasilia, Brazil, Nov. 24, 2020. Brazil on Tuesday launched an anti-mosquito campaign in a bid to contain the spread of mosquito-borne diseases including dengue fever, Chikungunya and Zika.

Aerial photo shows a villager fishing on a stream in Changkou Village of Sanming, southeast China's Fujian Province, Nov. 20, 2020. For more than 20 years, Changkou Village has insisted on green development based on the resource advantages of local mountains, water and farmland. In 2019, the collective economic income of the village was 1.22 million yuan (about 185,550 U.S. dollars) and farmer's per capita disposable income reached 23,600 yuan.

Visitors view the model of a Weichai 13G powertrain during the 2020 World Industrial Design Conference in Yantai, east China's Shandong Province, Nov. 25, 2020. The 2020 World Industrial Design Conference is held from Nov. 25 to 29 in Yantai. The conference also includes an exposition of China's top industrial designs, with over 800 domestic companies showcasing over 1,000 exhibits of new technology, new design and new products.

Aerial photo shows fire fighters taking part in an emergency drill against winter chemical hazards and accidents in Wuhai, north China's Inner Mongolia Autonomous Region, Nov. 25, 2020.

A woman helps a boy put on a face mask in Agartala, the capital city of India's northeastern state Tripura, Nov. 25, 2020. Global COVID-19 cases surpassed 60 million on Wednesday, according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University.

Travelers are seen at Regan National Airport in Arlington, Virginia, the United States, Nov. 24, 2020. Millions of Americans are traveling for the Thanksgiving holiday, ignoring the advice of the U.S. Centers for Disease Control and Prevention (CDC) and health experts to stay at home.

Students wait for the Panda Packs from the China Foundation for Poverty Alleviation at Ban Nongveng Primary School in Vientiane, Laos, Nov. 25, 2020. The China Foundation for Poverty Alleviation has gifted 50,000 Panda Packs with stationeries and hygiene supplies to Lao students at a ceremony held in Ban Nongveng Primary School in capital Vientiane.

A man holds an autobiography of Argentine football legend Diego Maradona in the Tigre district on the northern outskirts of Buenos Aires, Argentina, Nov. 25, 2020. Maradona, who turned 60 at the end of October, suffered a heart attack on Wednesday that led to cardiorespiratory arrest. He died at his home in the northern outskirts of Buenos Aires.

Fishermen work on a boat on the Bosphorus Strait in Istanbul, Turkey, Nov. 24, 2020. Turkish authorities have been trying to support with financial incentives fishermen in the country, who have been severely suffering from the COVID-19 pandemic. Both the government and local officials have taken a number of measures, including postponing taxes and insurance payments, as well as providing rent and salary supports.

Chief Executive of China's Hong Kong Special Administrative Region (HKSAR) Carrie Lam holds a press conference following the 2020 policy address in Hong Kong, south China, Nov. 25, 2020.