Dunhuang and Venice: Above Desert and Sea S01 E02 horizon

The distance between Dunhuang and Venice is about 6460 kilometers in a straight line. Now, after connecting flights, the shortest flight time is about 15 hours. Once upon a time, the journey to each other was so long that it was enough to meet many people and spread many stories, so there was Venice in Dunhuang and Dunhuang in Venice