C822 Hot Spring

Feng Qingchen frowned and looked at Qingwu. "What is this place? Why is it hidden in a cave?"

The area where they made medicine was more near the mountain's peak than on it, chosen for its flat ground, which made it easier for Feng Qingchen to work.

Qingwu hadn't noticed, but when Feng Qingchen had just stepped out of the cave, she felt the tunnel sloped downward. The incline was slight