C423 Locate Return Door

Hai Yang and Xiao Lei checked our equipment, apart from the ones that we lost, there are still a lot of them, food is one of the essential parts, other than that, we have tents, fuel, climbing rope, oxygen equipment, side equipment, altimeter, hygrometer, steel cone, climbing iron lock, ladders, soldier shovel, helmet, flashlight, gloves, protective glasses, and so on. Of course we have weapons