Subway security inspection

Under the cold wave, more than a hundred people are queuing for security checks. Is subway security check really necessary?
Recently, the subway security check has been demonized by the “Runren” group building, which is quite terrifying upon closer thought. More than a hundred people lined up to board the bus in the cold wave.
Dec 27, 2023 Security inspection, Subway security inspection, hot topic, Cold wave, Subway security inspector