Photo taken on May 26, 2018 shows a glass of wine at the vineyard of Gerovasiliou winery during the event "Open Cellar Doors", Thessaloniki, Greece. The annual event "Open Cellar Doors", which is organized by Greek Wine Producers Associations, took place in several wineries in north Greece, giving wine lovers and visitors opportunity to get acquainted with Greek wine and the winemakers.(Xinhua/Dimitris Tosidis)