Since the 19th century, with the flowing of colonialism and overseas prosperity of trade, preach activity and the upsurge, which Orientals learn from the west, make it possible to travel.

• 19世纪以来,殖民主义的泛滥和海外贸易的繁荣,西方传教士的传教活动和东方人向西方学习的热潮使旅行出游成为可能。