No Regrets In Flourishing Tang

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The city wall of Xiazhou City is all made of loess, and no stone is used from beginning to end, but when it was just built, it was very strong. Even the city wall made of stone may not be comparable. The cost of the loess city wall is naturally much cheaper than that of the stone city wall, so this is a very cost-effective method of building a city, which is very suitable for city wall construction in areas lacking stone.

Of course, the Great Tang now has a more cost-effective cement concrete material, which is better than the use of loess and stone, the cost is actually not high, because when pouring the city wall with concrete, it only needs to be poured on the outermost side and the innermost side. Okay, filling it with loess in the middle, or empty as a house is also good. In short, concrete fortification is definitely the best method, and with the development of railways, each city can get this at a lower cost. A kind of advanced building materials, so as to obtain a stronger city wall at the lowest cost.

Standing on the city wall of Xiazhou City, Li An looked towards the scenery outside the city, next to Li Hanlu who accompanied him.

A breeze blew through, causing Li An’s hair to flutter, and Li Hanlu’s hair was also being blown dancing lightly and gracefully, because it was the wind of the early spring, so, it seemed a bit cold, but it was not too cold. , Is a kind of uncomfortable wind.

There are a lot of vegetation outside the city, but not many, and it seems very sparse. This is different from when the Huxia Empire was recorded in history. According to historical records, when the Huxia Empire built the 10000 city, the surrounding It ’s a beautiful environment with rich water plants and a pleasant climate. Otherwise, Helian Bobo would not choose the capital city as this place. If he can choose the capital city as this place, it is enough to show the importance of this place, indicating that the scenery of this place is very graceful.

“The sparse Poplar Trees, and some weeping willows, in this season, these trees are bare, people look desolate.”

Li An looked at the small amount of vegetation outside the city and said.

Due to the increase in human activities, the environment here has been greatly damaged. Over the past 100 years, this kind of damage has become more serious day by day. By this time, there has been a trend of Desertification. If it is not treated, it will take another 100 years. Time, here really will become a desert.

The reason why this place is rich in water and plants is because there are almost no traces of human activities. All kinds of animals and plants can grow normally and will not be destroyed. As the Huxia Empire positioned this city, it gathered The old 100 surnames began to increase step by step, and the environment began to be destroyed. The continuous wars also caused the surroundings to become devastated. After the Huxia Empire was destroyed, the population here became not so much, but still There are some 100 surnames living here, and the destruction of the war is indeed quite large, resulting in a great change in the environment here. Later, the old 100 survivors living here must cultivate the land in order to feed themselves, and the population is large. After some time, we need to open up land to increase the area of ​​arable land. In this way, it is simply destroying the ecological environment, which makes the ecological environment worse and worse. Deserting nature is coming one after another.

“Yes! This is the case with the trees in the north. When the weather is over, the leaves will fall. Listen to Manman. There are many trees in the south that are green every year for 4 seasons.”

Li Hanlu said.

Li An nodded and said: “More than that, there are no four seasons in some areas in the south, only the rainy season and the dry season, that is, it often rains during the rainy season, and the rivers can’t stand it, and the dry season, for several consecutive months Without rain, many plants will be dried.

“Rainy season and dry season, it must be Barbarian Desolate Land far south.”

Li Hanlu said.

Li An nodded acknowledged, opened the mouth and said: “There are indeed more 4-season evergreen plants in the south, but few in the north, but many 4-season evergreen trees in the south can be planted in the north, so winter in the north is not It will be monotonous. “

When strolling in Xiazhou City, Li An found out that there are almost no green plants on the roads inside Xiazhou City, which has a great impact on the environment. It is important to know that after green plants are present, the city will look even more Is full of vitality, and if all the roads 2 in the whole city are surrounded by bare trees, it will give people a very desolate feeling, which also has a great impact on the mood of the person and will make people feel extremely bad. , And may even cause depression symptoms.

Inside the capital, there are also many deciduous shrubs along the road 2, such as weeping willows. Such plants are bare in winter, and they are really lifeless, but some roads are indeed planted with 4 seasons of evergreen trees. It seems that the city is very lively, and it is full of lively atmosphere in the four seasons of the year. For example, around Pingkang Square, there are many evergreen trees planted, many of which are planted by the merchants of the store, which is also for better attraction. The guests come, and the picture is of interest.

In Li An ’s mind, all the roads 2 in the city should be planted with this four-season evergreen green plant, and not shrubs that have fallen leaves in autumn. This has almost become the standard in later generations, and in the era of Great Tang However, the plan to promote evergreen trees on urban roads has not yet been popularized, and Li An’s heart has begun to brew, which can be implemented at any time.

However, this is destined to be a long-term project, and it cannot be completed in a short time. After all, Great Tang has so many cities, and there are too many trees in it, and some trees have a history of several hundred years. It ’s too cruel, it will destroy the historical sense of a city, so this needs to be planned well. Small trees can be felled and replaced with 100 seasons of evergreen trees, preferably high-quality good trees, quality Poor evergreen trees do n’t matter, but for deciduous trees that are more than 4 years old, they should still be preserved. It is really not easy to grow these trees for so many years. The city with old tree only has a sense of history. And the city without the old tree seems to have no cultural heritage.

Historical background is very important for a city. A city with historical background will give people a sense of belonging, and the mental ability of a person is enough to have a good home. The brand-new city does not have this feeling. .

The sense of belonging is a very important thing. With the sense of belonging, people can better unite and work in one direction, so that a city is more vibrant.

“Husband said yes! Just like in our house, except for the orchard, most of the trees are 4 seasons of evergreen. It is really comfortable to stay in it. Sometimes I forget what season it is. “

Li Hanlu said comfortably.

In his home on the outskirts of Chang’an City, Li An planted a large number of precious tree species, and most of the plants he planted in his residential area were four-season evergreen high-quality tree species. The rest of the yard had some deciduous flowers and trees. An excellent tree species is deciduous in autumn, especially plants such as flower trees, which deciduous almost in winter, but these flowers are of great help in decorating the courtyard, so this species still needs to be planted.

And Li An also found a very good method, so that these flowers and trees can not be seen in winter, but in spring, they can appreciate these flowers and trees.

This is naturally the flowerpot technology. Plant precious flowers in large-sized flowerpots. Enjoy the flowers in the spring. It is a pleasant sight and the mood will be better. When the leaves fall in autumn, let it go. People remove all the flower pots in the yard and store them in the yard where they do not go frequently, so that they can continue to appreciate them in the coming year, so that 2 can be done right.

Of course, this is after all in Li An ’s own home, which can be so capricious, but if it is beside the road 2 in the city, the use of this method will be too expensive, and the prosperous area of ​​Beijing can naturally be engaged in the rest. Forget it! Still obediently and honestly planting 4 seasons of evergreen trees is more reliable.

“For her husband, I think that beside the street 2 of all cities in the Great Tang, some 4 seasons of evergreen trees should be planted, so that in winter, you can see the green when shopping in the city, which will make people feel good. You can also plant some trees beside the road 2 outside the city. The trees are not very expensive and worth a few bucks. By the way, all sides of the rails should also be full of trees, especially in the Desert area. This is the scenery along the way. It wo n’t be so monotonous, and even some Poplar Trees can be used in Xiazhou. “

Li An said.

Great Tang has limited resources, and the railway construction has consumed too much resources. Therefore, after the construction is completed, the trees on the road 2 are not at all not at all. This is obviously inappropriate. Especially in the Desert zone, it should be beside the railway 2 It is only right to plant tall trees. For example, the tall and drought-resistant Poplar Tree is a very good tree. It is most suitable to be placed beside the Xiazhou City Railway 2.

In addition, since the old 100 surname of Xiazhou already lives in Xiazhou City, then there should be a variety of trees, especially the drought-tolerant tree such as Poplar Tree. Only in this way can the ecology here be restored as quickly as possible. The city’s environment is back to what it was when Helian Bobo built the 10000-town city.

This is not the whims of Li An. The project of afforestation by later generations did indeed play such a role. It is said that there is a very large desert, originally full of yellow sand, and humans simply cannot survive, but in Imperial Court Under the organization, a large group of people entered this desert, using the method of artificial forests, they literally destroyed a large-scale desert and turned the desert into a forest. This is an incredible miracle, but it is indeed true Indeed, as long as the method of planting trees is adopted, the desertified land can be turned into a forest again. Under certain circumstances, when humans are united, some natural phenomena can be overcome.

Li Hanlu nodded asked suspiciously: “Why do you plant so many Poplar Trees?”

Li An pointed to the sand and dust rising from time to time in the distance and said, “Wife, please see that the climate here is already bad. When the wind blows, the sand and dust will float up. Such an environment will definitely not be comfortable. This was not the case before. A few hundred years ago, this place was still a paradise of beautiful plants and waters, but now the phenomenon of Desert has appeared. If this situation is allowed to continue, it will be a real desert in a few hundred years. It is impossible to live, and the old 100 surnames here can only leave their hometowns and leave their hometowns to live elsewhere. The only way to avoid this is to plant more trees to curb the continuous deterioration of the environment. It has become the same beautiful environment as the aquatic plants and rich grasses hundreds of years ago. “

Since ancient times, there are many cities in the desert, even in the film and television dramas also have such environmental scenes, a great Great City stands in the desert, which makes people wonder, there are many places to build cities Yes, why build the city in the desert? The environment in the desert is not very good, there is flying sand everywhere, and no environment is worse than here.

In fact, simply no one will choose to build a city in a harsh desert. This is a very stupid way. The city in the desert is often built before. When building the city, this is not a desert. At least it should also be an oasis with water. The city was built on the oasis. However, due to the continuous deterioration of the environment and the destruction of war, the environment outside the city has become more and more Deserted. Looking from the distance, It’s like a city that stands completely in the desert.

However, in this desert city, there are generally oasis and water sources. Therefore, although there are sands and soils outside the city, it is enough to have oasis and water sources in the city, which is also great for defending foreign enemies. In addition to the sand outside the city, the enemy can’t get any useful items. Once the freshwater carried by the enemy is cut off, it is a dead end.

“Planting trees can make Xiazhou return to the former Xiazhou with rich water plants? Is it that simple?”

Li Hanlu is obviously a little unbelievable. After all, she has never heard of such a thing. Naturally, she ca n’t believe it. Even everyone in this era will be hard to believe.

“Simple? This is not simple! Planting trees on Deserted land is not an easy task. It requires a lot of manpower and financial resources. Each tree needs to be transported from a far away to water How can it be a simple matter to ensure the survival of trees? Without perseverance, how can it be done. “

Li An said.

“Xiazhou City has a population of 10000, and one person plantes a tree, that is, 10000 trees. As long as you plant trees every year, you can completely plant all the deserts here into forests, and Populus euphratica is the local tree species here. Raise seedlings, and then give the old 100 surnames, let every household to plant trees, so, it is not too difficult! “

Li Hanlu said easily.