Longnan, located at the southernmost tip of Jiangxi, is known as the "South Gate of Jiangxi". Longnan is rich in tourism resources, including Kansai Xinwei, a national key cultural relics protection unit, Jiulian Mountain, a national nature reserve and Xiaowudang Mountain, a provincial scenic spot, etc. Longnan is also rich in mineral resources, and the reserves of heavy rare earths rank first in the world, and it is known as the "hometown of heavy rare earths". Hakka Wai House is a distinctive Hakka residence and an important materialized carrier of Hakka culture. It fully embodies the superb architectural art of Hakka people. It is not only praised by architects as a miracle in the history of folk architecture, but also fascinated by historians, folklorists, artists and many tourists because of its profound cultural connotation. Hakka wai houses, together with quadrangles in Beijing, caves in northern Shaanxi and earthen wai buildings in western Fujian, are called the "Four Ancient Dwellings" in China. The typical enclosed houses in Longnan are Kansai Xinwei, Yangcun Yanyi Circular House, Wushiwei, Liren Liyuanwei, Yuzaitan Wai, Shabawei, Taojiang Longguangwei and Wenlongyao Sanwei. It is praised by architects as a miracle in the history of folk architecture, and its profound cultural connotation. If you are interested in Hakka culture, it is necessary to visit Longnan. The transportation is convenient. Take the train from Ganzhou City and get off at Longnan Station. There is a shuttle bus to Hakka cultural relics and other places. Tickets for 31 yuan are available.