Have started from Thailand's Chiang Rai Thailand-Bo Bo Luang Nam tha-glass-ten of Laos-Bo Han-Chiang rung or Jinghong? In twelve regions of Panna Metropolitan Kunming.
Originating from Chiang Khong Thailand - Bokeo - Luang Namtha - Bo Houten. Lao - Bo Han - or Jinghong Jinghong in Xishuangbanna region of the city of Kunming.