People dine at a reopened restaurant in downtown Barcelona, Spain, Nov. 23, 2020. Bars and restaurants in Catalonia were allowed to reopen to the public on Monday, with the number of customers limited to less than 30% of their total capacity. (Photo by Joan Gosa/Xinhua)

People dine at a reopened restaurant in downtown Barcelona, Spain, Nov. 23, 2020. Bars and restaurants in Catalonia were allowed to reopen to the public on Monday, with the number of customers limited to less than 30% of their total capacity. (Photo by Joan Gosa/Xinhua)

People dine at a reopened restaurant in downtown Barcelona, Spain, Nov. 23, 2020. Bars and restaurants in Catalonia were allowed to reopen to the public on Monday, with the number of customers limited to less than 30% of their total capacity. (Photo by Joan Gosa/Xinhua)

A worker carries goods at downtown Barcelona, Spain, Nov. 23, 2020. Bars and restaurants in Catalonia were allowed to reopen to the public on Monday, with the number of customers limited to less than 30% of their total capacity. (Photo by Joan Gosa/Xinhua)