In this photo released by Xinhua News Agency, members at the Beijing Aerospace Control Center celebrate after China's Tianwen-1 probe successfully landed on Mars, at the center in Beijing, Saturday, May 15, 2021. China landed a spacecraft on Mars for the first time on Saturday, a technically challenging feat more difficult than a moon landing, in the latest advance for its ambitious goals in space. (Photo by Jin Liwang/Xinhua via AP Photo)
