This video was filmed on 2022/06/06. The wind in the tunnel is so strong that one of the PSD think it has trapped an object and reopen a little. Yes, just that one platform door. 隧道氣流太強,令其中一道幕門以為是夾到了物件而鬆開幕門。對,只有那一道幕門。 If your YouTube language is set to any