Boats sail in the Saronic Gulf waters shortly after the start of the 54th International Aegean Sailing Rally at Piraeus port on July 14, 2017. Greece's oldest and most prestigious annual sailing event kicked off on Friday. Over the next ten days 21 boats from Greece, Germany, France and Israel will compete in three offshore races and will make three stopovers at the islands of Syros, Chios and Skyros covering over 300 nautical miles. (Xinhua/Lefteris Partsalis)
