The Path of Survival.

Summary

In this content, Xiao Fan and Chen Liang discuss constructing a unique entrance for a city wall, opting for a sluice gate design instead of a traditional arched doorway. They plan to create a wooden plank gate that can be lifted and lowered into grooves within the wall. The construction involves ensuring the wall is sturdy, especially around the grooves, and they decide to stack logs for the gate, simplifying the process of opening and closing it. After testing the mechanism, they find it efficient, concluding that the gate will primarily remain open, only needing closure during enemy attacks.

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