Tried a Tibetan game. Quite interested in terrain settings and their UP. By “Ancient tea route”, One can only send defensive Marksmen to Shu province. Cavalry have to go through the heartland of China. That may bring diverse strategies...
However, UHV3 always achieved automatically, without any endevours. And UHV1 to control Burma seems quite difficult. No one except elephants and javelins can go across jungles. But javelins are too weak towards heavily defended Dali, and ivory is hard to get as well. I tried to run Patronage to massive culture-bomb Shu, attempting to peacefully conquer Dali, but also failed.