Introduction to the coastal defense barrier: After Emperor Yongle Zhu Di moved the capital to Beijing, Dagu Haikou became the only gateway to Beijing from the sea and became an important coastal defense barrier in modern Chinese history.
Attraction
Introduction to the coastal defense barrier: After Emperor Yongle Zhu Di moved the capital to Beijing, Dagu Haikou became the only gateway to Beijing from the sea and became an important coastal defense barrier in modern Chinese history.