Xinhua Photos of the Day (July 24)

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

A Mars probe is launched on a Long March-5 rocket from the Wenchang Spacecraft Launch Site in south China's Hainan Province, July 23, 2020. China launched a Mars probe on Thursday, aiming to complete orbiting, landing and roving in one mission, and taking the first step in its planetary exploration of the solar system. (Xinhua/Yang Guanyu)

A Mars probe is launched on a Long March-5 rocket from the Wenchang Spacecraft Launch Site in south China's Hainan Province, July 23, 2020. (Xinhua/Guo Cheng)

A Mars probe is launched on a Long March-5 rocket from the Wenchang Spacecraft Launch Site in south China's Hainan Province, July 23, 2020. (Xinhua/Cai Yang)

A Mars probe is launched on a Long March-5 rocket from the Wenchang Spacecraft Launch Site in south China's Hainan Province, July 23, 2020. (Xinhua/Cai Yang)

A Mars probe is launched on a Long March-5 rocket from the Wenchang Spacecraft Launch Site in south China's Hainan Province, July 23, 2020. (Xinhua/Guo Cheng)

A Mars probe is launched on a Long March-5 rocket from the Wenchang Spacecraft Launch Site in south China's Hainan Province, July 23, 2020. (Xinhua/Zhao Yingquan)

Tokyo Skytree tower is illuminated to mark a year-to-go until the start of the postponed Tokyo 2020 Olympics in Tokyo, Japan, July 23, 2020. (Xinhua/Du Xiaoyi)

A Chinese medical team member gives a lecture to medical workers of the Health Point Upper East Medical Center in Harare, Zimbabwe, July 22, 2020. A newly established state-of-the-art COVID-19 treatment center, funded by Chinese firms operating in the African country, officially opened on Thursday. (Photo by Chen Yaqin/Xinhua)

A man walks past a social distancing notice on Times Square in New York, the United States, July 23, 2020. The number of COVID-19 cases in the United States surpassed the 4 million mark Thursday to reach 4,005,414 as of 3:04 p.m. local time (1904 GMT), according to the Center for Systems Science and Engineering (CSSE) at Johns Hopkins University. (Xinhua/Wang Ying)

Tourists view a giraffe at the Schonbrunn Zoo in Vienna, Austria, July 23, 2020. Tourists gradually returned to the Schonbrunn Zoo, which was closed due to the COVID-19 pandemic and reopened in mid-May. (Xinhua/Guo Chen)

Employees from the Palestinian municipality of Beit Ummar use a drone to deliver vitamins to COVID-19 patients in Beit Ummar Town in the West Bank city of Hebron, July 23, 2020. (Photo by Mamoun Wazwaz/Xinhua)

Aerial photo taken on July 22, 2020 shows the Xanadu World Heritage site in Zhenglan Banner of Xilingol League, north China's Inner Mongolia Autonomous Region. The relic site of Xanadu, or Yuan Shangdu ruins, is one of the best preserved sites of the capital cities of Yuan Dynasty (1271-1368) in China. Listed by UNESCO as a World Cultural Heritage Site in 2012, the site of Xanadu is resulted from the clashing and blending of grassland culture, farming culture and Western civilization. (Xinhua/Xu Qin)

Aerial photo taken on June 17, 2020 shows the view of the vegetable fields in the Yi, Hui and Miao Autonomous County of Weining, southwest China's Guizhou Province. Weining, with an average altitude of 2,200 meters, has developed a vegetable cultivation industry to help increase job opportunities for local people. (Xinhua/Yang Wenbin)■