After the stones were heated red-hot, they would continue to emit heat and were difficult to cool down even in ice water.
The place Jiang Xuan chose wasn't in the middle of the river, but at a river bend, relatively close to the shore, with the ice about a foot thick.
"Plop!"
As time passed, the ice surface was gradually heated by the scorching stones, melting into a pit, and at one point, a large stone directly fell into the river.
Subsequently, other stones also successively fell into the river.
Jiang Xuan pointed to a not-so-distant spot and said, "Use this method to make a few more ice holes!"
"Okay!"
Although they didn't know why Jiang Xuan wanted to make ice holes, the enthusiasm for the work was very high, and Gou Teng and others immediately went to melt the second ice hole.
Chi Shao stood beside Jiang Xuan and curiously asked, "Are these holes made for fishing?"