Mass Rapid Transit Authority of Thailand (MRTA) by the Business Development Department held an activity to lead a group of ARTSTORY BY AUTISTIC THAI, which is designers of the design of the commemorative ticket card and public relations sticker inside MRT stations and trains on the occasion of the 7th anniversary of the inauguration of the M.R.T. Chalong Ratchadham Line (MRT Purple Line), to visit the station and ride the train which is attached the sticker from Khlong Bang Phai Station to Tao Poon Station. The activity was participated by Ajarn Chusak Chantayanon, founder and president of the Autistic Thai Foundation.