When Cheng Qianfan took the tram at that time, Lao Liao pretended to get on the tram. The two would have contact at this moment, secretly and quickly completing the transmission of information or items.,By the time you stepped through the door, the carriage was teeming with people, packed so tightly it felt like being in a sardine can.,Li Hao is a ticket seller on Line 2 of the subway. He wears a yellow plaid uniform and has a white cloth bag slung across his shoulder to hold the fare money.。