The average altitude of Nanning is 70-80 meters. Nanning, referred to as "Yong" for short, also known as Green City and Yongcheng, is the capital of Guangxi Zhuang Autonomous Region, the core city of Beibu Gulf urban agglomeration, the central city of China's Beibu Gulf Economic Zone approved by the State Council, and the southwest region's access to the sea
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