People wear face masks amid COVID-19 outbreak in Frankfurt, Germany
Xinhua
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Tourists wearing face masks take a cruise on the Main river amid the COVID-19 outbreak in Frankfurt, Germany, on Aug. 16, 2020. (Xinhua/Lu Yang)

Passengers wearing face masks walk on the platform at the Central Railway Station amid the COVID-19 outbreak in Frankfurt, Germany, on Aug. 16, 2020. (Xinhua/Lu Yang)