Photo taken on April 18, 2020 shows a taped-off beach in Cannes, France. A further 642 people had died of COVID-19 in the past 24 hours in France, raising the country's death toll to 19,323, official data showed on Saturday. (Photo by Serge Haouzi/Xinhua)

People observe social distancing as they talk in Cannes, France, on April 18, 2020. A further 642 people had died of COVID-19 in the past 24 hours in France, raising the country's death toll to 19,323, official data showed on Saturday. (Photo by Serge Haouzi/Xinhua)

Photo taken on April 18, 2020 shows an empty street in Cannes, France. A further 642 people had died of COVID-19 in the past 24 hours in France, raising the country's death toll to 19,323, official data showed on Saturday. (Photo by Serge Haouzi/Xinhua)

Photo taken on April 18, 2020 shows an empty street in Cannes, France. A further 642 people had died of COVID-19 in the past 24 hours in France, raising the country's death toll to 19,323, official data showed on Saturday. (Photo by Serge Haouzi/Xinhua)