The Bian River flows westward to reach Luoyang, the eastern capital; northward it leads to Yanyun and Beiping; southward it connects to Hangzhou via a detour. It can be considered one of the major arteries of political, military, and economic activity in the state of Wei.,He gently pushed open the rickety wooden gate, made of pieces held together with twigs. Just as he was about to speak, he saw a thin, wiry old man with sparse whiskers and wearing patched-up shorts, sitting cross-legged in the courtyard. He skillfully mended a tattered fishing net with a shuttle.,The old man kept circling him, opening his mouth several times but failing to speak until Yang Ge was almost done arranging the firewood. Then, as if suddenly remembering something, he grabbed Yang Ge's hand and said, "Wait a moment, don't rush, I have something to show you!"。