C531 Who Could be a Spy

It's a hole about half a meter in diameter, and the dark red light came from there.

The hole was more than a meter away from the lake. If one stepped on a layer of the ground on the shore, they would sink into something very deep, emitting a pungent smell.

Tia Tu bent over and reached out his hand, grabbed a little bit, and put it under his nose to smell. He threw it away and said