C58 Cold storehouse shock

Feng Nianke drove the car, and we came to the same place as last night, where the miasma was strong, and there were many small alleys nearby, and we walked on foot, Feng Nianke held a small notebook, and in the notebook she drew the Eight Trigrams Diagram, and while observing the terrain, she marked something on the eight trigrams diagram. Just like this, we walked and stopped for an hour