The King undertook the establishment of the Royal Devel
opment Projects in 1969, primarily as a means of arresting the opium growing and deforestation caused by the Hilltribes’ slash and burn agriculture and to improve their standard of living. The first was established at a Hmong village on Doi Pui in Chiang Mai Province and now has spread to Chiang Rai, Lamphun and Mae Hong Son.