Aerial photo taken on Jan. 30, 2020 shows excavators working at the construction site of Xiaotangshan Hospital which is under renovation in Beijing, capital of China. Beijing has begun to renovate its hospital Xiaotangshan, formerly used to quarantine SARS patients, as a precaution in the face of the novel coronavirus outbreak, according to a press conference on Thursday. Whether the hospital will be put into use will be based on the future development of the outbreak. (Xinhua/Peng Ziyang)?