The two little girls are pouting and watching there, just from the back, the two girls are in good shape, and Mr. Han's plump peach is particularly beautiful.

"Big animal, come and see. Lin Qingxue looked serious, as if she had discovered something terrible.

"That's it, it's so nervous. Qin Fengyi walked over and took a look, there was something floating in the bucket, white foam particles!

Really!

This morning, a giant object resembling a baby fish suddenly appeared in the well, Qin Fengyi felt that something was not right, the well was naturally formed, probably caused by the erosion of limestone by water.

The depth of this well is unknown, mainly not protruded, it is certain that the depth is more than 80 meters, and it is possible that there is an underground water channel hidden in the well.

Later, in the bat cave, he encountered a seepage hole waterhole, and there were creatures similar to baby fish lying there on the surface of the pool, Qin Fengyi was also idle at the beginning, and he couldn't help but want to rub some white ball particles down with foam in his hand, and try the water by the way.

The foam sprinkled in the seepage hole came to the well along the underground waterway, because the foam was very buoyant, almost did not absorb water, and was inevitably scooped up when the water was drawn.

"See, it's a bubble, and there are several. Lin Qingxue also saw the huge creature like a baby fish, although she only saw the tail and the back half of her body, but the girl was sure that the guy belonged to the amphibians, and he had webbed feet and a short tail.

"See, I suspected that our well was not normal, there might be a lot of such monsters in it, but fortunately, the surface of the well water is far away from the wellhead, and they shouldn't be able to come up. "Qin Fengyi doesn't think it's scary, what kind of creature is the most scary?

Unknown creatures for sure!

Human beings are wary and even afraid of the unknown!

It's like a variety show, there is a game link that blindfolds the guest, so that he simply touches the things in the box with his hands, and after losing his vision, he can only distinguish that thing by touch.

Now Qin Fengyi has a general idea, and explained to the two girls, "According to my speculation, there should be one or more underground water channels deep underground on the island, and it is known that there is fresh water and seawater that is not salty......"

"Wait a minute!" Lin Qingxue stretched out her hand, "Let me interject, what is the sea water that is not salty you are talking about?"

Seawater is seawater, freshwater is freshwater, what does it mean to be a seawater that is not salty?

"To correct it, it is the prerogative of men to interject, and they also have this strength, women...... Girls don't have it. Qin Fengyi smiled meaningfully and reminded in particular.

"Phew~!, you shameless old driver, you're tricking me all the time!" Lin Qingxue reluctantly hit Qin Fengyi's unicorn arm with a pink fist, and the latter was amused by her cute appearance.

"You haven't explained what salty sea water is!" Lin Qingxue remembered what was going on, blinking her big eyes, like a cute elf.

"Not salty seawater...... According to my own understanding, it is probably the seawater and fresh water that merge with each other, which reduces the salinity of the seawater. Qin Fengyi patted the back of Xiao Nizi's delicate hand, "When we first explored the island, the seepage hole you accidentally fell into, the water in it was slightly brackish, roughly the combination of fresh water and seawater, becoming not salty seawater." ”

"Okay...... In other words, those salamander-like creatures can travel freely and smoothly to and from the various exits connected to the underground waters.

Han Xuening has already sorted it out, if this is the case, it is really terrifying, if the well water rises due to the rise of the groundwater level, the well water will soon overflow, and those creatures like baby fish will be able to escape without any barrier.

"There is another guess,......" Qin Fengyi thought for a while and said, "Do you remember the Bat Cave?"

"Hmm!" Lin Qingxue and Han Xuening nodded.

It's hell there, and the two girls won't forget it even if they die, not to mention the bat feces, and because of the heavy rain, there was a mudslide, and they were almost buried in it, and they were digging mud and sand all night, and they breathed the pungent smell of bat feces, and the next day the two girls all coughed and caught a cold.

"Perhaps...... There is also such an underground water pool entrance ...... in the bat cave", Qin Fengyi didn't say that the two giant pythons killed that night were found to be eaten by unknown creatures early the next morning, and now these clues are connected, and it is basically certain that there is a creature, that is, a creature similar to a baby fish in the well!

He had to go to the Bat Cave, as it was the treasure map depicting it, and he vaguely felt that the treasure seemed to be related to another metal key.

Now I only have half of the metal key in my hand, and if I find the other half, it seems that I can open the stone door of the ruins of the ancient city, and I don't know what is hidden behind that stone door, but according to the Druid inheritance I got in the hall last time, it seems that the things behind the stone door are more valuable.

"After a while, I'll go to the mountains to find some rocks and see if I can dig a manhole cover to cover the well, so that if the groundwater rises one day, it won't let all those things come out. Qin Fengyi glanced at the rocky mountains around him, this stone is limestone, and it can be excavated.

In fact, sooner or later, stone tools have to be made, such as the grinding disc used in the countryside, which can make grain into powder, and the wheat and corn planted in the future can be ground with a grinding disc.

"It's almost impossible for such a thing as the groundwater skyrocketing...... Lin Qingxue was pouting, blinking her big eyes, "I really hope that the things inside can crawl out, so that I can take revenge!"

"Revenge?" Han Xuening asked suspiciously.

"Well, Lin Qingxue was almost dragged into the water by those creatures and eaten. Qin Fengyi recalled that at the beginning, when the girl fell into the seepage hole, she jumped in without thinking about it, and the wounds on the girl's tattered shoes and ankles were enough to prove that those Jiahui teeth were really good, but they couldn't compare to the teeth.

"I didn't expect you to have such an experience. Teacher Han stroked Lin Qingxue's shoulder, and Xiao Nizi pouted, "If I want to find out that it is on land, I must kill it!"

At this moment, there was an eager chirp from the beach, and the trap where the sardines were placed caught skua gulls, 3 in all!

"Heh~!It's faster than expected, and it takes less than a few minutes to catch the prey, and the title of the skua is really not called in vain. Qin Fengyi looked at the skua gulls who were struggling to sacrifice their lives and flapped their wings to take off, and showed a meaningful smile.

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