(Air could flow through and it provided shelter from the rain, but people couldn't get in.)
After all, it had been a long time, and in a couple of places, the red bricks were damaged. They hadn't been repaired, just surveillance cameras had been installed on both corners of the building.
Generally, no one would look at the footage unless something was lost or the equipment was damaged.
Chen Ying lifted his chin and asked the small boys beside him,
"Is there anything inside?"
"We cleaned it out last time, but we left two large concrete tubes, left over from when they were laying pipes. I heard my uncle say that the tubes were too heavy to move back and it wouldn't be cost-efficient, so they were left behind, just in case they were needed again in the future."
Chen Ying nodded and asked who had the keys to this room.
