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.,When the pedestrians on the road became sparse, he pushed his tricycle and started to run wildly, grinding the cast iron parts connecting the wheel and axle so fiercely that sparks flew!,The old man stared and beckoned to him impatiently: "Don't talk nonsense, come here quickly!"。