Before he even entered the room, he heard a commotion coming from the front hall. Curious, he took a step inside and saw a tall figure in the hall, wiping down the tables and chairs with a cloth.,This river is named the Bian River, and it is an important section of the Grand Canal of Northern and Southern Wei.,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.。