Hong Kong MTR (underground). One of the most efficient of the world. Today it keeps over 2.2 million people on the move every weekday, making it one of the most heavily utilized mass transit systems in the world.
Hong Kong MTR (underground). One of the most efficient of the world. Today it keeps over 2.2 million people on the move every weekday, making it one of the most heavily utilized mass transit systems in the world.