Commuters ride on a crowded MTR subway train line during the Chinese Lunar New Year in Hong Kong

commuters people pedestrians hong kong china asia editorial virus epidemic covid covid19 coronavirus prevention economy business indoors subway station metro mtr face mask masks commute crowds crowded masses multitude cosmopolitan multicultural congested wait waiting peak time train rush hour chinese commuters crowded station packed station packed subway crowded subway station no space passengers crowded commuters ride commuters ride subway passengers ride train chinese citizens face masks transportation china commute