火车站的站台上往往都有警戒线,这已有相当长的历史了。不过,它的由来还要追溯到20世纪所发生的一件极其严重的人身伤亡事故。20世纪初冬的一天,莫斯科至西伯利亚的一个小站上,站长正率领一批随从,迎接俄国沙皇派往西伯利亚的一位钦差大臣。为了表示对沙皇的忠心,他们手持花束,列队站在铁路两旁, Railway stations often have warning signs on the platform, which has a long history. However, its origin dates back to an extremely serious personal injury and death accident that took place in the 20th century. One day in the early winter of the 20th century, a small station in Moscow to Siberia led a group of followers to greet the imperial commissioner of the Russian tsar to Siberia. In order to show their loyalty to the Tsar, they hold bouquets and stand in line on both sides of the railway,