Thailand, Mae Salong in the north of Chiang Rai, the remnant of the 93rd Division of the National Army and the expeditionary military life and blood in Thailand. There are lush tea gardens everywhere. At an altitude of more than 1,000 meters, the quality of oolong tea produced is not lost in Taiwan. Walking down the street, I heard Chinese, as if I had come to a small town in Yunnan, not Thailand. The children here, learning Chinese, also went to Chinese schools. Duan Xiwen, the late head of the 93rd Division, said: Our roots are in China. Although we can't go back, we can't forget that we are Chinese.