Photo taken on June 17, 2019 shows a woman sitting at the dock of the old port of Chania on the Crete Island, Greece. Chania is a port city of Crete with rich history relics and beautiful natural view. (Photo: Xinhua)

Photo taken on June 14, 2019 shows the view of the old port of Chania on the Crete Island, Greece. Chania is a port city of Crete with rich history relics and beautiful natural view. (Photo: Xinhua)

Photo taken on June 17, 2019 shows the view of the old port of Chania on the Crete Island, Greece. Chania is a port city of Crete with rich history relics and beautiful natural view. (Photo: Xinhua)

Photo taken on June 17, 2019 shows the view of the old port of Chania on the Crete Island, Greece. Chania is a port city of Crete with rich history relics and beautiful natural view. (Photo: Xinhua)

Photo taken on June 14, 2019 shows a street of the old town of Chania on the Crete Island, Greece. Chania is a port city of Crete with rich history relics and beautiful natural view. (Photo: Xinhua)