Chinese medical supplies for Belgium are unloaded at the Liege Airport in Liege, Belgium, on March 16, 2020. Three hundred thousand face masks donated by Chinese charities arrived in Liege, Belgium, on Monday, in an effort to help the European country fight the spread of the COVID-19. (Xinhua/Zhang Cheng)

Chinese medical supplies for Belgium are unloaded at the Liege Airport in Liege, Belgium, on March 16, 2020. Three hundred thousand face masks donated by Chinese charities arrived in Liege, Belgium, on Monday, in an effort to help the European country fight the spread of the COVID-19. (Xinhua/Zhang Cheng)

Chinese medical supplies for Belgium are unloaded at the Liege Airport in Liege, Belgium, on March 16, 2020. Three hundred thousand face masks donated by Chinese charities arrived in Liege, Belgium, on Monday, in an effort to help the European country fight the spread of the COVID-19. (Xinhua/Zhang Cheng)

Chinese medical supplies for Belgium are unloaded at the Liege Airport in Liege, Belgium, on March 16, 2020. Three hundred thousand face masks donated by Chinese charities arrived in Liege, Belgium, on Monday, in an effort to help the European country fight the spread of the COVID-19. (Xinhua/Zhang Cheng)