铜锣湾地铁站是香港最繁忙的地铁站之一，在晚高峰时段，她就蹲在站台门前。我曾在北京生活过几年，那是上世纪 00 年代和 10 年代。我从未见过这种情况。谁能给我解释一下这种心态？

She squatted right in front of the platform door in Causeway Bay MTR, one of the busiest subways stations in Hong Kong, during evening peak hours. I have lived in Beijing for a few years in the 00s an