The Hall Oplum is not only a centre for learning. But also symbolic of the effarts of His Majesty king Bhumlbol Adulyadej and other members of the Royal Family to solve the problems of illicit drug production and durg addiction.ir is a testimony to their work that as of 2003, thailand was no longer considered by the United nations office on Durgs and Crime (UNODC) to be a signlflcant producer of oplum.
