The mammoth elder explained, "A very long time ago, the former herdleader found this valley and a curious pond of frothing water nestled within. The walls of stone all around block the worst of the inclement weather, and the frothing water continuously gives off heat. The former herdleader was very taken by this location, so he improved it a little with his authority and told me about it."

Li Feng murmured, "No wonder the temperature within this valley is higher than that outside—there's a hot spring right here!"

"A hot spring?" the golden mammoth asked.

"The humans call the frothing water you describe a hot spring."

The elder seemed to suddenly understand something. "So this is a hot spring! I've learned about it before from my human friends, but I've never seen one in practice."

"There are two different...