3000BC(Only reserves the tiles of important cities)
[118, 46] change to rainforest
[119, 44] change to rainforest
[120, 46] change to rainforest
[120, 45] change to rainforest
[120, 43] change to rainforest
[121, 47] change to peak
[121, 46] change to hill, bamboo(it's the tile of Guiyang)
[121, 44] change to rainforest
[122, 48] change to rainforest
[122, 45] change to marsh
[123, 49] change to marsh
[123, 48] change to marsh, remove rice
[123, 47] change to rainforest
[123, 43] change to rainforest
[124, 49] change to marsh
[124, 45] change to rainforest
[124, 41] change to rainforest
[125, 46] change to rainforest
[125, 45] change to rainforest
[126, 45] change to rainforest
[126, 44] change to marsh
[127, 46] change to rainforest
[127, 45] change to rainforest
[127, 44] change to rainforest
[130, 44] change to marsh, remove sugar
[130, 43] change to rainforest
[131, 44] change to rainforest
500BC #the rise of Chu State
[123, 49] marsh changes to grassland
[123, 48] marsh changes to grassland, add rice
[123, 47] remove rainforest
[124, 49] marsh changes to grassland
200AD #the rise of Three Kingdoms
[120, 46] remove rainforest
[122, 48] rainforest changes to bamboo
[125, 48] jungle changes to forest
[125, 46] remove rainforest
[127, 46] remove rainforest
600AD #develop in South China after Tang Dynasty
[117, 45] independent Dali spawns(the rise of Nanzhao State, maybe spawn in 738AD)
[118, 46] rainforest changes to bamboo
[120, 45] rainforest changes to forest
[123, 46] remove rainforest
[124, 45] remove rainforest
[125, 45] rainforest changes to forest
1100AD #the Royal Family of Song Dynasty moves to the South
[122, 45] marsh changes to grassland
[123, 43] remove rainforest
[124, 41] remove rainforest
[126, 45] remove rainforest
[126, 44] remove marsh
[127, 45] rainforest changes to forest
[127, 44] remove rainforest
1350AD #the rise of Ming Dynasty, develop in Yunnan and Taiwan
[118, 44] remove rainforest(can build pasture on this cow till now)
[119, 44] remove rainforest
[120, 43] rainforest changes to forest
[121, 44] rainforest changes to forest
[130, 44] marsh changes to grassland, add sugar
[130, 43] rainforest changes to forest
[131, 44] rainforest changes to bamboo