BEIJING, Nov. 4, 2019 (Xinhua) -- The world in the past 24hrs. A selection of the best daily press photos of from Xinhua.

A new Earth observation satellite, Gaofen-7, is launched on a Long March-4B rocket from the Taiyuan Satellite Launch Center in north China's Shanxi Province, Nov. 3, 2019. The Gaofen-7, China's first civil-use optical transmission three-dimensional surveying and mapping satellite that reaches the sub-meter level, will play an important role in land surveying and mapping, urban and rural construction and statistical investigation, according to the China National Space Administration (CNSA). (Photo by Lu Xing/Xinhua)

Geng Meiyu, key inventor of the drug GV-971, also a researcher of Shanghai Institute of Materia Medica under Chinese Academy of Sciences, poses for photos at the Green Valley institute in Shanghai, east China, Nov. 3, 2019. A home-grown drug for treating Alzheimer's disease has been approved by the National Medical Products Administration to hit the market, according to its developers Saturday. (Xinhua/Jin Liwang)

The Antares rocket carrying the Cygnus cargo spacecraft lifts off from NASA's Wallops Flight Facility in Wallops Island, Virginia, the United States, Nov. 2, 2019. The spacecraft carried about 8,200 pounds (3,719 kg) of supplies and scientific experiments to the station. (Photo by Ting Shen/Xinhua)

An exhibitor presents a robot on display for the second China International Import Expo (CIIE) at the National Exhibition and Convention Center in Shanghai, east China, Nov. 3, 2019. The second edition of CIIE will run from Nov. 5 to 10 in Shanghai. (Xinhua/Liu Ying)

A technician works on a lacquer painting at Beijing Gold Lacquer Inlaid Co., Ltd. in Beijing, capital of China, Oct. 31, 2019. (Xinhua/Li Xin)

Participants compete during the 2019 TCS New York City Marathon in New York, the United States, Nov. 3, 2019. Over 50,000 participants attended the race this year. (Xinhua/Wang Ying)

Aerial photo taken on Oct. 26, 2019 shows the autumn scenery of Phoenix Park in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region. (Xinhua/Feng Kaihua)

Tourists draws a picture on a road covered with fallen leaves in Sanshigang Town of Hefei, capital of east China's Anhui Province, Nov. 3, 2019. (Xinhua/Zhang Duan)

People view an artwork from an Italian artist during the 5th Exhibition of International Works of Arts and Sciences in Beijing, capital of China, Nov. 3, 2019. (Xinhua/Jin Liangkuai)

A surfer is seen during sunset on the Huntington Beach, California, the United States, on Nov. 2, 2019. (Xinhua/Li Ying)

Artists perform during a choreographic performance on Pushkin Square in Moscow, Russia, on Nov. 3, 2019. (Photo by Maxim Chernavsky/Xinhua)

A man holds a banner to promote a plant-based jerky at Texas Veggie Fair in Dallas, Texas, the United States, Nov. 2, 2019. (Photo by Dan Tian/Xinhua)■