Tourists are seen at the Shougang Industrial Park, a comprehensive service park transformed from a vacated industrial site in Beijing, May 11, 2020. The park reopens on last Saturday after a shutdown to curb the spread of coronavirus. The park has put in place measures, including social distancing, masks and temperature screenings for visitors and employees. (Photo: China News Service/ Zhang Xinglong)

Tourists are seen at the Shougang Industrial Park, a comprehensive service park transformed from a vacated industrial site in Beijing, May 11, 2020. The park reopens on last Saturday after a shutdown to curb the spread of coronavirus. The park has put in place measures, including social distancing, masks and temperature screenings for visitors and employees. (Photo: China News Service/ Zhang Xinglong)

Tourists are seen at the Shougang Industrial Park, a comprehensive service park transformed from a vacated industrial site in Beijing, May 11, 2020. The park reopens on last Saturday after a shutdown to curb the spread of coronavirus. The park has put in place measures, including social distancing, masks and temperature screenings for visitors and employees. (Photo: China News Service/ Zhang Xinglong)

Tourists are seen at the Shougang Industrial Park, a comprehensive service park transformed from a vacated industrial site in Beijing, May 11, 2020. The park reopens on last Saturday after a shutdown to curb the spread of coronavirus. The park has put in place measures, including social distancing, masks and temperature screenings for visitors and employees. (Photo: China News Service/ Zhang Xinglong)

Tourists are seen at the Shougang Industrial Park, a comprehensive service park transformed from a vacated industrial site in Beijing, May 11, 2020. The park reopens on last Saturday after a shutdown to curb the spread of coronavirus. The park has put in place measures, including social distancing, masks and temperature screenings for visitors and employees. (Photo: China News Service/ Zhang Xinglong)