2. The gate of Central South Longyue House is the south gate, and the south gate of Central South Longyue House is the gate of Central South Longyue House. This is because the south gate of Central South Longyue House is relatively large and imposing, and there are many people coming in and out of the south gate of Central South Longyue House, so the gate of Central South Longyue House is the south gate.