Although Shenzhen is a very young city, it also has some historical sites. Although it&;s not too much, the corresponding preservation is also good. It is very rare in this young city of Shenzhen, and it is also a Shenzhen culture worth staying. Dapeng Suocheng: Dapeng Suocheng was founded in the 17th year of Hongwu in Ming Dynasty (1384) and has a history of nearly 600 years. It is a very old cultural and historical site, covering an area of about 110,000 square meters. It is a well-preserved coastal defense monument and the only national key cultural relics protection unit in Shenzhen. Chiwan Tianhou Palace: Chiwan Tianhou Palace was built in the 27th year of Ming Hongwu (1394). It is one of the most important heritages of Poseidon culture with a long history. It is one of the new eight sights. ; An in Qing dynasty. Nantou Ancient City: Nantou Ancient City was built in the 27th year of Ming Hongwu (1394), and some of the remaining parts are still well preserved. Nantou Ancient City is one of the earliest salt industry organizations with a very long history, and it was an important coastal defense town in Ming and Qing Dynasties.