Peking MTR Line 17 Door Closing Sound (Beijing MTR) | 京港地鐵17號線關門聲

The door closing sound of the Peking MTR (Beijing MTR) Line 17. In the background, there is the door opening sound of the opposite direction train. The door closing sound is the famous MTR door closing sound. 京港地鐵17號線關門聲；是著名的港鐵關門聲。