Paving the road is as difficult as building a house.


    First of all, the ground should be treated before paving. The ground should not be soft or wet.


    Fortunately, the weather has been good recently. The loess ground is very dry, so there is no need to do drainage and drainage and other hardening treatment, so ye Xi only sent someone to knock the road surface once to make sure that there is no small hole under the ground, and the pavement after paving will not collapse.


    Then ye Xi sent a large number of sand and gravel, which were evenly spread on the road surface.


    He wanted to build several main cement roads first, but the cement could not directly contact with the soil, so it must be leveled with gravel. Fortunately, the mountains behind Xicheng are full of sand and gravel, so this step is very easy to complete. It took only half a day to transport all the sand and gravel to pave.


    After laying sand and gravel, the next step is to pour cement.


    In order to make the finished cement pavement smooth, ye Xi installed the mold with stone slab at the edge of the road surface, and separated the blocks. The whole plate area was about 20 square meters.


    At this time, the cement was still as soft as mud, protruding one by one. Ye Xi asked everyone to push the cement aside with long wooden sticks. Finally, the ground became as smooth as the water surface.


    The second day after the first section of cement road was hardened, it rained for two consecutive days.


    Ye Xi was not worried but happy, because he knew that there was no harm in sprinkling more water on the newly poured cement road, which could prevent cracks in the cement road and improve the life of the cement road.


    Cement is mainly used to lay several sections of the main road of Xicheng. After the main road is completed, ye Xi plans to lay stone bricks in other places.


    During the light rain of those two days, ye Xi led everyone to mine and grind the stones. After the rain stopped on the third day, a layer of lime soil cushion composed of mature lime and clay was evenly paved on the road surface. After leveling, the cement mortar was mixed and the mortar was paved. Finally, the polished stone bricks were paved on the cement pavement.


    The paving stone brick is no longer Qingyan, but a kind of rock produced in the mountains behind Xicheng.


    This kind of rock is light gray, has a kind of light, like ice crack natural grain, paved on the ground is natural and beautiful, but also does not lose the flavor of primitive simplicity.


    Its texture is not as smooth as Qingyan, slightly rough, but this is an advantage, so that even if barefoot on the floor tiles in rainy days will not slip.


    The process of paving the road was slow.


    With the approach of winter, sunny days are less and less. Two of the three days are raining, so we often stop work.


    It was a month after the ground around the stone house community in Xicheng was poured with cement and paved with stone bricks. At this time, the temperature dropped to about three or four degrees, and everyone was dressed in thick fur clothes.


    Taking advantage of the last time before winter, ye Xi took people into the mountains to shovel turf.


    He planned to lay all the ground around the stone house community, that is, the residential area, with stone bricks, while the rest of the city would be covered with turf to turn it into green space.


    The turf is carefully selected by Ye Xi in the forest. The grass is very soft. Lying on it feels like lying on a flannel. Moreover, it grows slowly and can save a lot of time for mowing the grassland.


    It''s a new thing for everyone to shovel and plant turf.


    For the first time, we all know that the grassland in the wild was cut off and covered on the bare soil. Soon, the grassland was tightly connected with the soil, just like the natural grassland.


    When the last turf of Xi City was paved, the cold rain poured down.


    ……


    A creak.


    The heavy emerald gate was pushed open.


    Ye Xi, dressed in a white suit specially made by Jiugong and wearing a hat, said hello to the guard and walked down the steps with bare feet.


    It was dark and heavy, and the rain kept crashing on the floor tiles, and then flowed down the drain ditch reserved on the floor tiles to the lake like a stream.


    Ye Xi once thought about setting up pipelines underground and building drainage system.


    To set up pipes, you have to make them first. Although there is no plastic in the world, and there is a lack of metal and other materials, stone pipes are barely usable.


    It is certainly impossible to dig out a few meters of hollow stone pipes by hand, but we can use chisels to chisel out sections of 20 cm long short pipes, and then use cement to splice them one by one.


    So although it is troublesome and time-consuming, it is technically feasible.


    However, ye Xi gave up the idea after much consideration.


    Underground pipelines are mainly used to discharge waste domestic water and waste.


    The waste domestic water mainly comes from washing and gargling. Washing clothes can be washed in the river. There is no washing powder here, so it will not pollute the water source, there will be no waste water generated, and things like bathing and washing face will not cause pollution.


    Of course, if the lake water is not clean enough, you can dig a well to drink it. It doesn''t matter.


    As for excreta In fact, primitive people were still used to being convenient in the wild. Recently, under the advocacy of Ye Xi, they tried to use the newly-built public toilets.


    originally * ye Xi was planning to compost the excrement and other waste materials into the ground, but he was afraid that the city would be floating in a foul atmosphere. Besides, the land was not developed, and the long worm was absolutely enough, so the idea was cancelled.He remembered that he had heard of a beetle called the beetle in the Jiugong tribe.


    This kind of insect comes from the chigger tribe. It likes to eat excrement very much. It eats a lot and reproduces quickly. It can be as big as a paw in adulthood. The people of Jiugong tribe use it to deal with the excrement. When they grow up, they all throw them into the river to feed the fish and water monsters.


    So ye Xi thought that he would go to work in the next year and bring in the beetle.


    There was no moat in Xicheng. There was only a star lake. There was not much fish in it. Ye Xi planned to raise some chickens, birds and so on. He fed them dung beetles. If they didn''t like to eat, they were all fed to insect willows.


    Anyway, the willow trees are welcome to eat any insects, which is not a waste.


    In fact, the most important reason is that They don''t have time. It takes at least two months to set up the pipeline. They have no conditions at all.


    To sum up, ye Xi finally gave up building underground pipelines to treat sewage.


    Crash.


    The heavy rain washed the floor tiles spotlessly. A shallow layer of rain just submerged the instep of his feet. Stepping on the cold ground, ye Xi walked slowly to the star lake.


    Two giant white turtles crawled slowly through the rain.


    On their backs sat dozens of white turtle soldiers, each of them holding a lot of live river fish suspended by straw ropes.


    "Master Xiwu!"


    The white tortoise soldiers jumped off their backs to say hello.


    Ye Xi lifted the bamboo hat and looked at them with a smile: "it seems that the harvest is good today."


    A thin, honest looking white turtle soldier grinned: "it''s still yesterday to harvest more! Did you not see that, in addition to these small fish, we also caught three small aquatic acrophobia, dozens of delicious red snails, and a six meter long grey hooked fish, all of which could not be carried! "


    "It''s a pity that it''s cold now, and the fish are going down to the bottom. It''s hard to catch them."


    Ye Xi comforts a way: "many, Star Lake relies on you lively many."


    Five or six miles away from Xicheng, there is a river that is not deep and shallow. When the city stopped working because of the rain, ye Xi asked the baigui tribesmen and Tu Shanren to take two giant white turtles to fish there in turn.


    These fish catch not to eat, all put up in the star lake, so that we can have a more food source in winter.


    Ye Xi and the white tortoise soldiers walk to the star lake.


    Two giant white turtles slowly dived into the clear lake water. A group of small white turtles with black beans and small eyes swam towards them happily, and then swam around them to the center of the lake.


    Ye Xi and his wife squatted on the edge of the lake, stepping on the cold lake water, untied the grass ropes tied to the big fish''s mouth, and put them into the clear water of the lake.


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