Staff members work at a temporary checkpoint converted from a container in a community in Fancheng District in Xiangyang, central China's Hubei Province, Feb. 20, 2020. Staff members work 24 hours a day at the temporary checkpoint to ensure the community's prevention measures against the novel coronavirus. (Photos: Xinhua)

Staff members work at a temporary checkpoint converted from a container in a community in Fancheng District in Xiangyang, central China's Hubei Province, Feb. 20, 2020. Staff members work 24 hours a day at the temporary checkpoint to ensure the community's prevention measures against the novel coronavirus.

A staff member works at a temporary checkpoint converted from a container in a community in Fancheng District in Xiangyang, central China's Hubei Province, Feb. 19, 2020. Staff members work 24 hours a day at the temporary checkpoint to ensure the community's prevention measures against the novel coronavirus.

A temporary checkpoint converted from a container is seen at a community of Fancheng District in Xiangyang, central China's Hubei Province, Feb. 20, 2020. Staff members work 24 hours a day at the temporary checkpoint to ensure the community's prevention measures against the novel coronavirus.