Yin Zhu and Amy slowly go to the depth of the cave. However, when Yin Zhu goes to the cave, he finds that there is a big pool. There is still some ice that hasn't completely melted in the pool, and there is a chill in the water.

There are a lot of food piled on the edge of the pool, including the eggs Yin Zhu said before. There is a big bag here, as well as the milk fruit she picked, and some food with unknown name. Yin Zhu looked at the pool and was very surprised and said, "who thought of this pool? It's really smart."

"This is what our previous generation thought. Every autumn, we will get all the water out of the pool. When winter comes and the mountain is snowed, we will get some ice and put it in the pool. It's cool in the mountain. The ice doesn't cross off so quickly. It can store a little food. The old sacrifice is smart." When it comes to the characters she admires, Amy's eyes shine.

"Well, it's really smart. Even she can't think of it." It's possible to preserve food in this way.

"Then why don't we dig more caves so that we can keep more things?" Yin Zhu asked.

Amy said with a smile, "there is no shortage of food in spring, summer and autumn, so we want to store some things that are fast, bad and hard to get, such as the food that the cubs want to eat. This pool of water can't help us save the meat from spring to winter."

Yin Zhu thought about it. Now there is ice in the pool. When summer is over, all the ice in the pool should turn into water, and the things that can be preserved are limited.

Amy was disappointed when she looked at Yin Zhu. She couldn't help touching her hair gently: "you can find so many delicious things and some things that can be stored. We will have a better winter this year. The whole tribe will thank you."

"Auntie Amy, I want people in the tribe not to go hungry any more. I will try to find out more to eat. I will." Yin Zhu clenched his little fist.

"Then I'll thank you for the tribe." Montaigne, on one side, was already busy. He answered with a smile.

Montaigne has to check the things in the cave every day. Once something starts to break, he should pick it up quickly, so as not to make the things nearby break faster.

"Uncle Montaigne, may I see those things?" Yin Zhu smiles and points to a pile of things nearby.

There are all kinds of edible things that were originally found in the tribe, and most of them can be provided to the tribe's cubs or females with cubs. Some of these things were eaten when they were very young, some of them were impressive, and some of them were not. Yin Zhu wants to identify them.

"Go ahead, go ahead." Meng Tai is curious about Yin Zhu.

Yin Zhu also touched them one by one, and identified them as some fruits and vegetables, not to mention two good things. One is sugar grass. The identification indicates that the sugar content is very high. Does that mean that sugar can be boiled? Sugar is a good thing. Yin Zhu is sure that there is no sugar in the world. If he can get it out, he can't help but get excited .

As for the other one, it's a kind of long fruit. I don't know what fruit or root it is. Yin Zhu can't distinguish it, but the identification shows that it contains a lot of starch. Starch can be made into vermicelli, so she can eat it.

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