C1386 Lessons for Zhao Yumin

Or was it a way for children to go to school?

Bai Xiaobei pointed to the ground beneath their feet and said: "The cliffs on both sides are unstable, unless it's an iron chain bridge, and there are many places like this in the mountains, although life is good now, it's impossible to reach all of it. Clerk, this is not a bridge, it's just that this iron chain bridge is no longer safe