Xinhua photos of the day

Photo taken on Oct. 9, 2019 shows the announcement of the 2019 Nobel Prize in Chemistry at the Royal Swedish Academy of Sciences in Stockholm, Sweden. The 2019 Nobel Prize in Chemistry has been awarded to John B. Goodenough, M. Stanley Whittingham and Akira Yoshino "for the development of lithium-ion batteries." (Xinhua/Zheng Huansong)