フォロー
The tube at a standstill: why TfL stopped people walking up the escalators | UK news | The Guardian https://www.theguardian.com/uk-news/2016/jan/16/the-tube-at-a-standstill-why-tfl-stopped-people-walking-up-the-escalators
The tube at a standstill: why TfL stopped people walking up the escalators | UK news | The Guardian https://www.theguardian.com/uk-news/2016/jan/16/the-tube-at-a-standstill-why-tfl-stopped-people-walking-up-the-escalators