In 1825 of the last century, an armed British expedition arrived in the Golden Triangle.

The expedition team, with the Thieves'heart of exploring the terrain and swallowing up the territory, quickly expelled most of the aborigines with advanced weapons never seen by the local people, and camped in Kokang County, north of the Golden Triangle.

After a comprehensive survey of the area, the British believed that it was very suitable for opium cultivation. After three years of trial planting, it was very successful, so they began to cultivate opium on a large scale in Kokang and other places.

Most of the Opium harvested is sold to the mainland, poisoning the...