The safety white line bought with blood

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Today, let’s talk about a little piece of knowledge regarding traffic safety. When waiting for trains on the railway station platform, people *usually stand outside a \"safety white line\", which is 1 meter away from the edge of the platform. This safety line is not an ordinary “white line”; it stems from a tragedy that took place a hundred years ago. 　　It was a cold winter in 1905, with howling north winds and heavy snowfall. The Erodluk station on the Russian Siberian Railway line was extremely lively, with drum music filling the air. Station master Volensky and the 37 staff members at the station, dressed in their festive best and carrying bright bouquets, stood in line on the platform full of energy, waiting to welcome the imperial envoy sent by Tsar Nicholas II for an inspection. 　　With a long whistle, the special train of the imperial envoy appeared in the distance. It did not enter the station slowly and come to a stop as Station Master Volensky had initially imagined; instead, it rushed into the station like a wild horse galloping and roaring. In an instant, the employee waiting on the platform seemed to have been struck hard in the back, causing them to fall forward involuntarily. “The “human alley” collapsed in an instant; 34 people died on the spot, and 4 were severely injured, suffering lifelong disabilities. 　　This tragedy was caused neither by illegal driving nor by deliberate vandalism. Due to the limitations of scientific knowledge at that time, it was difficult to explain clearly. Later, with the advancement of science and technology and the improvement of cognitive abilities, people were able to understand the true causes of those tragic events. It turns out that when a train passes by at high speed, the air around it creates a local vacuum, which in turn generates an airflow. As this airflow moves rapidly, it produces an extremely strong thrust that causes the ‘human tunnel’ to collapse, leading to tragedy. 　　From then on, a prominent \"safe white line\" was painted on the platforms of all stations to warn passengers not to cross this line while waiting for the train, in order to ensure their safety