Looking at the plants with their peculiar degree of corrosion, the expert could not make sense of it. "Was there an acid rainstorm here? Why would something like this happen?"
"And why is it confined to just this small area?"
"Wait..." He suddenly noticed something, reaching out with an excited expression to touch the marks on the tree bark. He gasped in amazement, "Look closely, this part of the tree also bears scorch marks, though they're not very obvious."
Chapter 38