Singapore train / subway / metro / MRT / MTR / MTA / LRT / KTR / underground tunnel / land light rail ride SG MRT on SMRT / SBS Transit railway station announcement in 4 languages transportation sound noise effect production Metropolitan moving p
Singapore train / subway / metro / MRT / MTR / MTA / LRT / KTR / underground tunnel / land light rail ride SG MRT on SMRT / SBS Transit railway station announcement in 4 languages transportation sound noise effect production Metropolitan moving p