Julio Alvarez poses for a photo with his vintage American cars that tourists use to joy ride around Havana, Cuba, Friday, April 24, 2020. While only essential work is allowed to continue amid a lockdown to contain the spread of the new coronavirus, Alvarez's cars are grounded, tourists have disappeared and his drivers remain home. (AP Photo/Ismael Francisco)

Gregory Biniowsy, a Canadian citizen who is co-founder of the Nazdarovie restaurant, poses for a photo at his restaurant, closed amid the lockdown to help contain the spread of the new coronavirus in Havana, Cuba, Thursday, April 23, 2020. Many restaurants are closed while only work considered essential is allowed to continue. (AP Photo/Ismael Francisco)

Restaurant worker Julio Diago looks over the empty road along the Malecon sea wall from the Nazdarovie restaurant, which is closed amid the lockdown to help contain the spread of the new coronavirus in Havana, Cuba, Monday, April 27, 2020. Many restaurants are closed while only work considered essential is allowed to continue. (AP Photo/Ismael Francisco)

The Spanish message “Closed because of coronavirus COVID-19 hangs on the door of a business in Havana, Cuba, Friday, April 24, 2020. (AP Photo/Ismael Francisco)