Minors original Khmer, Laotian or Tampouns (ethnic Cambodian) working in a traditional manner contrary to the South Korean company very modern. They descend underground to a depth of 15 meters by the force of their arms and legs, using the wells they have built. Their equipment is very basic and the backbreaking work in the heavy heat from sunrise to sunset, team or family. The concessions are leased to owners of land and a team can have multiple wells (which is often joined by underground tunnels to as and Research). Accidents are frequent, unfortunately because the tunnels are not supported. Workers extract of the red earth zircon, used in jewelry. Buyers flock daily to the wells to buy cheap stones they sell more expensive in town after having been hewn in the mining village.