BEIJING, Sept. 18 (Xinhua) -- The world in the past 24hrs. A selection of the best daily press photos from Xinhua.

People perform during a celebration in Kangding City, Ganzi Tibetan Autonomous Prefecture, southwest China's Sichuan Province, Sept. 17, 2020. A festive ceremony was held in Kangding on Thursday to celebrate the 70th anniversary of the founding of Ganzi Tibetan Autonomous Prefecture. (Xinhua/Liu Kun)

Photo taken on Sept. 17, 2020 shows the opening of the 2020 Zhongguancun Forum in Beijing, capital of China. The 2020 Zhongguancun Forum (ZGC Forum) kicked off on Thursday in Beijing, highlighting science- and technology-based anti-epidemic efforts while boosting innovation and global cooperation. (Xinhua/Ren Chao)

Photo taken on Sept. 17, 2020 shows a coffee maker robot at the main venue of the 2020 Zhongguancun Forum (ZGC Forum) in Beijing, capital of China. The forum will be held in Beijing from Sept. 17 to 20. (Xinhua/Ren Chao)

Photo taken on Sept. 17, 2020 shows a view of downtown Beijing, capital of China. (Xinhua/Wang Jianhua)

Aerial photo taken on Sept. 17, 2020 shows a view of the sports field on the top of a teaching building of Guangzhou No. 10 Middle School in Guangzhou, south China's Guangdong Province. Surrounded by dense residential buildings, the Guangzhou No. 10 Middle School decided to "develop vertically" to solve the problem of insufficient sports field. With the financial support from the government and donations from its alumni, the school finally built up a sports field on the top of its teaching building with all the necessary installations like protective net, artificial turf, illumination device, etc. (Xinhua/Deng Hua)

A villager harvests rice at a paddy field in Yongji County of Jilin, northeast China's Jilin Province, Sept. 16, 2020. The paddy fields in Jilin have entered harvest season. (Xinhua/Zhang Nan)

A drawing shows the representation depicting the mating behavior of ancient ostracods. Chinese paleontologists along with their counterparts from Germany and Britain have discovered the oldest known animal sperm in the world in a piece of amber dating 100 million years ago, according to the Nanjing Institute of Geology and Palaeontology affiliated to the Chinese Academy of Sciences. (Drawing by Yang Dinghua of the Nanjing Institute of Geology and Palaeontology affiliated to the Chinese Academy of Sciences/Handout via Xinhua)

Athletes compete during Women's 5000m Final on Day 3 of the 2020 Chinese National Athletics Championships in Shaoxing, east China's Zhejiang Province, Sept. 17, 2020. (Xinhua/Jia Yuchen)

United Nations Secretary-General Antonio Guterres rings the peace bell during the UN peace bell ceremony at the UN headquarters in New York, on Sept. 17, 2020. United Nations Secretary-General Antonio Guterres warned on Thursday that the COVID-19 pandemic is expanding risks to peace everywhere. The UN peace bell ceremony was held here on the occasion of the 39th anniversary of the International Day of Peace, which is observed around the world each year on Sept. 21. (Mark Garten/UN Photo/Handout via Xinhua)

A Plane of the Mexican Air Force flies during the military parade held to commemorate Mexico's Independence Day in Mexico City, capital of Mexico, Sept. 16, 2020. (Photo by Ricardo Flores/Xinhua)

People wearing face masks walk on the Trocadero Place near the Eiffel Tower in Paris, France, Sept. 16, 2020. (Xinhua/Gao Jing)

A Palestinian worker is seen inside an empty cafe in Gaza City, on Sept. 17, 2020. More than 500 tourist establishments, including hotels, restaurants, wedding halls and cafes, have closed in Gaza after the government's anti-coronavirus lockdown decision, leading to the temporary unemployment of more than 7,000 workers. (Photo by Rizek Abdeljawad/Xinhua)

A man looks at the door of a house damaged during a gunfight in Srinagar city, the summer capital of Indian-controlled Kashmir, Sept. 17, 2020. Three militants and a woman were killed, while a paramilitary officer wounded in a fierce gunfight in restive Indian-controlled Kashmir on Thursday, police said. (Xinhua/Javed Dar)■