You must journey through those mountains till you find a green valley with a blue lake in it, walled round by mountains of ice.
你必须穿越那些高山，找到一条冰山环抱的绿色河谷，那里有一个蓝色的湖泊；
2
One is the walled-town, the other is the outskirt. As the greatest walled-town site of Xia and shang dynasty found in Tai lake Areas o far, it is valuable for the academic study.