What is the main use of this product 1, 2, 3 - Sanjiang - 4 - Luzhou? This product has a wide range of uses and plays an important role in many fields such as people's livelihood, commerce, and water transportation.
At the end of people's livelihood, it can provide a stable water source for people's daily water use. The water converged by the three rivers, properly treated, can become the source of domestic water for urban residents, nourish all people, and ensure basic living needs such as daily living, eating and washing. It is like "asking the canal to be so clear? For living water to come from a source", injecting vitality and vitality into people's lives.
In terms of business and trade, its location at the key waterway is critical. With convenient water transportation conditions, four-party goods can be gathered, transferred and evacuated here. Merchants are constantly coming and going, goods are transported smoothly, regional trade exchanges are promoted, and commercial prosperity is promoted. It is like the water and land wharf in the ancient capital of Dayi. "Merchants gather, goods are bribed and mountains accumulate", which drives economic development and makes this place a business hub.
In terms of water transportation, its wide waters and good waterway conditions provide convenience for ships to navigate. Whether it is inland river shipping ships shuttling to transport materials, or passenger ships carrying travelers, they all rely on this waterway. It is like a waterway, "although it is thousands of miles away, it can still go day and night". It is of great significance to the improvement of the regional transportation network by strengthening the flow of people and materials between regions and strengthening the connection between various places.

The "Notes on the Water Classic" says: "The river water is in the east, and at the foot of the Yellow Cow Mountain, there is a beach called the Yellow Cow Beach. The heavy ridge on the south bank is stacked, and there are stones between the outermost cliffs. The color is like a man carrying a knife and a cow, and a man is black and yellow, and the achievements are clear. Since the traces of people are absolutely untouchable, there is no way to study it. This rock is high, and the river is turbulent and retracting back. Although it is on the way to believe and stay, I still see this thing. Therefore, the walkers said: 'The yellow cattle in the morning hair, the yellow cattle in the evening, and the yellow cattle in the three dynasties and three evenings, the yellow cattle is the same as before.'"
The yellow cattle in the Three Gorges, its physical properties are quite wonderful. Looking at its stones, The shape of the stone is like a person pulling a cow with a knife, lifelike, placed on a high cliff, rarely visited, and even more mysterious. This stone has been eroded over the years, baptized by wind and rain, and still has the same color and luster. The shape is the same as before, which shows that its texture is solid and its strength to withstand weathering is very strong.
Furthermore, at the Yellow Cow Beach, the river is rushing and twisting. The water is rushing down, and when the terrain is blocked, it is turbulent and swirling, and the sound of the waves is roaring. The speed of the water is rapid, and the boat is sailing here. Although it has been traveling for many days, it can still see the yellow cow-shaped rock. This is because of the combined effect of the turbulence of the river and the return of the river. And the river water carries sediment, which may precipitate or initialize at the beach, shaping a unique river bank landform.
From this perspective, the Yellow Cow Stone attracts people to explore with its unique color, shape and solid texture, while the Yellow Cow Beach Water, with its rapid and repulsive state, contrasts with the strange stones, forming a unique landscape picture, showing the magic and charm of nature.

Those who observe the water of the three rivers and the four things, whether their nature is stable or not, is actually a common study of scholars.
Those who see the water of the river, its flow is surging and surging. Take the Yangtze River as an example, the Haohao soup runs through the land of China, nourishing all the people. Although when the rainstorm pours and the flash floods break out, the water surge, like an unruly beast, but when the rain stops and the flood recedes, it returns to calm, and flows according to its inherent way. This is the agility and regularity of water, not unstable.
As for the four things, it is said to be ceramic. Ceramics are calcined by water and fire. The adobe enters the kiln and is tempered by fire. Its quality changes from soft to hard. After forming, it can be damaged over time. Looking at the utensils from ancient kilns, although they have survived for thousands of years, they still exist in the world, and the patterns and colors are still the same. It can be seen that their quality is stable.
Porcelain is made of soil, and the soil is stable. In addition, the kiln fire is condensed, and the molecular structure is tight. It is not afraid of wind and rain, and it does not change shape with cold and heat. The porcelain bowls and porcelain bottles used in daily use have remained unchanged for a long time, which is enough to prove the stability of their chemical properties.
Looking at the reaction between them and foreign objects, if it is not for extreme things such as strong acid and alkali, ceramics rarely change. Ordinary water and air are difficult to change their quality. Even in the case of weak acid and alkali, they can maintain their original appearance for a certain period of time.
To sum up, although the river water fluctuates, its properties are also constant; once the ceramics are calcined and formed, the chemical properties are very stable. Therefore, both of these are stable, not erratic and impermanent.

"Tiangong Kaiwu" is a scientific and technological masterpiece written by Song Yingxing in the Ming Dynasty, detailing many crafts and technologies, covering agriculture, handicrafts and other fields. Today, the production methods of rice, steel and tea in the Yangtze River Basin are described in ancient classical Chinese format as follows:
Rice is the main grain in the water towns of Jiangnan. The method of planting, the first selection of seeds, the selection of good seeds to suit the time and place. In spring, soak in warm water, wait for it to germinate, and then sow in the seedling field. The field needs to be flat, fertile and moist, and apply manure and river mud to nourish its soil. The seedlings grow at the beginning, and they are carefully cared for to prevent drought, waterlogging and insect control. And a few inches long, moved to the field, and the planting is orderly, and the density is appropriate. During the growing period, water should be used frequently, weeds should be weeded at the right time, and the growth trend should be observed, and fertilizers should be applied as appropriate. In autumn, the ears of rice are golden and the grains are full, and they can be harvested. Cutting it, exposed to the sun, threshing and cleaning, and then entering the warehouse.
The smelting and casting of steel also has its own way. The iron ore is mined in the mountains and rivers, and the rich are selected. First, the charcoal and ore are put into the furnace, and the blast is burned to burn, so that the ore is melted and the iron is produced. The furnace must be firm, and the heat should be precise. The iron that is first refined still contains impurities, and then it is fried and refined to remove the dregs and make it pure. Then it is forged and formed, either as a agricultural tool or as a weapon, according to needs. When forging, the craftsman's transportation capacity is efficient, so that the texture of iron is tight, tough and durable.
The production of tea leaves is preferably high in the mountains. The tea tree likes shade and humidity, and is suitable for the mountains and forests. When picking, choose the fresh and tender leaves, and stop one bud, one leaf or one bud and two leaves. The leaves that are picked will quickly return to the teahouse. First withered, so that the water in the leaves is moderately evaporated, and then green, with high temperature inhibitory enzyme activity, to maintain its color and fragrance. The way to kill green, there are stir-fried and steamed, each has its own wonders. Then kneaded and twisted, shaped its shape, and analyzed its juice. After drying, or baking or drying, the tea leaves are ready. However, the way of making tea is subtle and profound, and the taste of tea varies widely from place to place due to differences in terroir and craftsmanship.
The above is only a rough idea, but in fact all kinds of skills are passed down from generation to generation and continuously refined to achieve today's achievements.

Looking at the current market, the prices of antique utensils in the Three Gorges and Chibi vary. As far as Chibi utensils are concerned, because they contain the charm of antiquity, there are many inscriptions by scholars and writers, and their cultural roots are profound. Therefore, those with high prices can reach thousands of gold, but there are also imitations of ordinary craftsmanship, and the price may only be tens of dollars. The price range is about tens of dollars to thousands of gold.
As for the utensils related to the Three Gorges, the Three Gorges are a place where mountains and rivers have been victorious, witnessing changes through the ages. If the related utensils are ancient treasures, those involving water conservancy, shipping and other historical traces are of extraordinary value, or can be worth hundreds of gold or even higher. However, if it is an ordinary fabrication in later generations, it will only have its shape and lack the charm, and the price will be nothing more than a few gold. For items that are roughly the Three Gorges, the price on the market is mostly in the range of several gold to hundreds of gold.
The price of various utensils in the city is determined by many factors such as material, craftsmanship, age, existence, cultural significance, etc. Those with excellent materials, exquisite craftsmanship, long age, rare existence and deep cultural significance will have high prices; otherwise, the price will be low. To know its exact price, we should carefully consider its various characteristics, and cannot generalize.