Mr. Pakapong Sirikantaramas, Governor of Mass Rapid Transit Authority of Thailand (MRTA) led MRTA executives to participate in the sign to salute ceremony on the occasion of HM Queen Suthida Bajrasudhabimalalakshana’s birthday on 3rd June 2020 on Tuesday 3rd 2020 at main lobby, 1st floor, building 1, MRTA.