TOPSHOT - A caravan overturned by strong winds lies on a beach where a storm killed a Czech couple in Nea Plagia, in Chalkidiki, Northern Greece, on July 11, 2019. - Tornadoes and violent hailstorms killed six tourists in northern Greece late on July 10, 2019, police said. Dozens more were injured when strong winds hit the region of Halkidiki, near the city of Thessaloniki, authorities added. (Photo by Sakis MITROLIDIS / AFP)