What do you mean by mountains and seas?

"Mountains and seas" can refer to:

1. The Classic of Mountains and Seas: a document of ancient geography, history and mythology in China, which records the geography, animals and plants, immortals and ghosts, historical legends and other contents in ancient legends in China.

2.a Cultural and artistic image: Shanhai culture occupies an important position in China's traditional culture, forming a unique cultural and artistic image, including mountain and sea beasts, dragons and phoenixes, Swiss beasts, precious stones and jade articles.

3. the combination of mountains and seas: this word can also refer to the geographical area where mountains and seas are combined. For example, the south of China is rich in natural resources and unique in geographical landscape because of the intersection of mountains and seas.