MTR Security Officers in China

Video: MTR Security Officers in China constantly walking up and down the train cars to ensure safety of the passengers not found in SF BART. We have stopped taking BART for 10 years for fear of our lives 中國的地鐵保安人員不斷在車廂內走來走去，以確保乘客的安全。但三藩市地鐵保安人員全消失，由於擔心我們的生命安全，我們已經停止搭乘坐BART 十多年了.