Under Ten Thousand Feet

[Chen Du's Underground Survival Guide] 1. The place where the moss lamp is lit is the safe zone. When the light comes out, you are the food. 2. Don't touch Yuanmai. If you touch the soles of your feet and feel numb, it's considered mild, but if it's severe, it will turn into a monster. 3. Four organizations are fighting for territory, and none of them is a good person. 4. The city wall shrinks three inches every year. No one knows what will happen after shrinking. 5. There is something sleeping underground. When it turns over, it's an earthquake 6. Someone found Simplified Chinese on the stone wall. Not written by humans. It grew on its own 7. There is a passage to the surface. Three. Two are closed. The third one is on the east side The author of this guide has lost a left arm, a normal eye, and a normal body temperature. But he is still alive. He is walking east.