TOPSHOT - A picture taken on July 11, 2019 shows broken trees after a storm in Nea Plagia, in Chalkidiki, Northern Greece. - 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)