What is the main terrain in Lingnan area?

Lingnan originally refers to the area south of Wuling Mountains in southern China, which is equivalent to the whole territory of Guangdong, Guangxi and Hainan provinces. Due to the influence of folds, faults and magmatic activities in previous crustal movements, Lingnan landforms are characterized by mountains, hills, platforms and plains, great differences in rock properties and complex and diverse landforms.