Chapter 726 Encounter a polar bear

Bi Fang’s mobility is very high. After a short repair, he started the “Fence Wall” plan.

In fact, it is very simple, just dig a circle of trenches around the wooden house, and then sprinkle the ice-water mixture mixed with wood chips.

In extreme temperatures, the mixture freezes into ice cubes almost instantaneously, quickly forming a wall that is unbreakable.

“Ice is a solid substance made of water. Thin ice is like glass and breaks when touched. This is known to all.

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