A vendor sells red roses in downtown Madrid, Spain, May 9, 2021. The six-month-long "state of alarm" to curb the spread of COVID-19 pandemic in Spain expired as of 0:00 local time on Sunday. (Photo by Gustavo Valiente/Xinhua)

Police officers stand guard in downtown Madrid, Spain on May 9, 2021. The six-month-long "state of alarm" to curb the spread of COVID-19 pandemic in Spain expired as of 0:00 local time on Sunday. (Photo by Gustavo Valiente/Xinhua)

People wearing face masks walk in downtown Madrid, Spain on May 9, 2021. The six-month-long "state of alarm" to curb the spread of COVID-19 pandemic in Spain expired as of 0:00 local time on Sunday. (Photo by Gustavo Valiente/Xinhua)