People from China Construction Third Engineering Bureau Co., Ltd. work at the construction site of Leishenshan (Thunder God Mountain) Hospital in Wuhan, central China's Hubei Province, Jan. 30, 2020. Wuhan is building two hospitals to treat pneumonia patients infected with the novel coronavirus. As of Thursday noon, about 40 percent of the Leishenshan Hospital has been completed, and it is expected to be put into use on Feb. 5. (Photo: Xinhua)

Aerial photo taken on Jan. 30, 2020 shows people from China Construction Third Engineering Bureau Co., Ltd. working at the construction site of Leishenshan (Thunder God Mountain) Hospital in Wuhan, central China's Hubei Province. Wuhan is building two hospitals to treat pneumonia patients infected with the novel coronavirus. As of Thursday noon, about 40 percent of the Leishenshan Hospital has been completed, and it is expected to be put into use on Feb. 5. (Photo: Xinhua)

Aerial photo taken on Jan. 30, 2020 shows the construction site of Leishenshan (Thunder God Mountain) Hospital in Wuhan, central China's Hubei Province. Wuhan is building two hospitals to treat pneumonia patients infected with the novel coronavirus. As of Thursday noon, about 40 percent of the Leishenshan Hospital has been completed, and it is expected to be put into use on Feb. 5. (Photo: Xinhua)

People from China Construction Third Engineering Bureau Co., Ltd. work at the construction site of Leishenshan (Thunder God Mountain) Hospital in Wuhan, central China's Hubei Province, Jan. 30, 2020. Wuhan is building two hospitals to treat pneumonia patients infected with the novel coronavirus. As of Thursday noon, about 40 percent of the Leishenshan Hospital has been completed, and it is expected to be put into use on Feb. 5. (Photo: Xinhua)

Aerial photo taken on Jan. 30, 2020 shows the construction site of Leishenshan (Thunder God Mountain) Hospital in Wuhan, central China's Hubei Province. Wuhan is building two hospitals to treat pneumonia patients infected with the novel coronavirus. As of Thursday noon, about 40 percent of the Leishenshan Hospital has been completed, and it is expected to be put into use on Feb. 5. (Photo: Xinhua)

Aerial photo taken on Jan. 30, 2020 shows people from China Construction Third Engineering Bureau Co., Ltd. working at the construction site of Leishenshan (Thunder God Mountain) Hospital in Wuhan, central China's Hubei Province. Wuhan is building two hospitals to treat pneumonia patients infected with the novel coronavirus. As of Thursday noon, about 40 percent of the Leishenshan Hospital has been completed, and it is expected to be put into use on Feb. 5. (Photo: Xinhua)