Police officers prevent access to the beach in Barcelona, Spain, Sunday, March 15, 2020. Spain awoke to its first day of a nationwide quarantine on Sunday after the government declared a two-week state of emergency and put in place extraordinary measures including the confinement of people to their homes unless shopping for food and medicine, going to and from work, and to meet other basic needs. Restaurants and hotels are closed and public transport reduced. For most people, the new coronavirus causes only mild or moderate symptoms. For some, it can cause more severe illness, especially in older adults and people with existing health problems. (AP Photo/Joan Mateu)