C363 The Origin of Yellow River and Infinity (2)

"It's rare for a young child like you to be so filial and kind with your words. Today, this old man will tell you about Jingyuan."

Yulong Kong agreed very straightforwardly. Just by looking at his appearance, one could tell that he was giving off a clear and bright feeling.

"Please speak."

"In the past, before Western medicine entered our China