When Nicole went to call for questioning, Liu Feng learned from Anli how much salt was lacking in this era, just like food.

It took a long time for many civilians to eat some salted food, and they had never heard of salt mines. If they could rely only on a little salt cooked in coastal cities, they would not be short of salt.

There is no method of drying salt in this era. A long time ago, a great sage discovered the existence of salt by accidentally boiling sea water and leaving gray crystals.

Especially in the west, cities like Xiyang City that are not close to the sea, if there is not a waterway, the cost of transporting salt from the seaside cities is terrifyingly high, and then the grain merchants will sell it at a higher price.

A pound of salt costs at least thirty copper coins. How many ordinary people can afford such a price? Most civilians buy a pound of salt from several joint ventures and then divide it equally.

Orcs like Mina and Enri have a hard time talking about salt. They all eat wheat that is as light as water. Otherwise, how could Liu Feng's food be so attractive?

Soon Nicole came back, and Niu Ben came with him. He eagerly came to Liu Feng and shouted,"Master, is a salt mine a mine with salt?"

"Of course, do you know where the stones and soil are salty? Liu Feng affirmed

"Yes, Master, I know a place where the stones are all salty. Niu

Ben nodded quickly, but he hesitated a little at the end,"It's just that, young master, some people used to eat that stone as salt, but in the end they all turned purple and died of poisoning.""

"…………"What else can Liu Feng say? Anyone who can eat salt like this will give him a thumbs up. Anyone who thinks his life is too long will be given a thumbs up.

"Of course it is poisonous, and special methods are needed to extract the salt so that the salt is not poisonous."

Liu Feng doesn't have a good airway. In order for the salt mine to turn into salt, it has to go through several steps. First, it is crushed, dissolved, filtered, and analyzed. The green salt obtained is non-toxic salt.

"I'll go bring a few carts of salt back immediately!"Niu Ben turned around and ran out immediately. His family rarely had salt as it was too expensive.

When eating at the City Lord's Mansion, Niu Ben often lamented that the young master is a prodigal. Who cooks with so much salt? It's still white. Salt like snow was unthinkable in the past.

He never doubted whether the young master could make salt. He only thought about what else the young master could not do.

In an era when salt was more expensive than people, Liu Feng seems to be a sad era. A stronger slave can be sold for twenty copper coins, which is not as expensive as a pound of salt.

Slaves are also a feature of this era. Many refugees are captured and branded by human traffickers and turned into slaves. Dropped.

Liu Feng came back from his thoughts and saw Mina, Enri and Nicole, their eyes wide open.looking at him

"Is there something on my face?"Liu Feng touched his face.

"No!"

_

_

"Fine! The salt mine has not returned yet, so we need to make some preparations and tidy up the backyard so that we can have a place to enjoy when winter comes."Liu Feng stood up and stretched his waist.

"Want to do something in the backyard?"Nicole asked curiously.

Apart from the weird flowers and plants that can stay green in autumn, there seems to be nothing else in the backyard.

"Just go and take a look and you will know. Call in more people to do the work. Liu Feng ordered.

The group of people went to the backyard of the castle, followed by some servants, including Carpenter Lu, the man who helped burn cement and begged Liu Feng to accept him as a servant. The back garden of the castle was very large. , bigger than a football field, with some landscapes made of rocks, and a stream flowing from outside.

Liu Feng looked at the green flowers and plants in the garden, and soon saw the greenest flowers and plants, pointing to that Chu Feng said,"Let me dig out the place until I see water."

The servants started working immediately. The master had spoken. They didn't dare to talk nonsense. Even if they were asked to jump into the river, they would not hesitate.

"Master, why should we dig up these beautiful flowers?"Anli frowned. She was thinking about the young master's intentions. The young master never does useless things.

"spa! Liu Feng smiled mysteriously.

In fact, this was just a guess on his part. The reason why leaves fall in autumn is due to changes in climate and temperature, and he thought of temperature.

If the backyard can remain evergreen in autumn, then the temperature is a very important factor. It plays a key role. You should try it boldly no matter what. If you really dig out the hot spring, your life will not be too depraved.

"spa? What's this?"Mina said blankly. This was the first time she heard this word.

"Out of the water!!!"

"Wow! The water is hot, so hot!"

Then the servants digging the soil suddenly heard shouts and screams.

Liu Feng's eyes lit up and he immediately ran to that place. Soon he saw a large pit two meters wide, with water mist slowly coming out of it. spring

"Sure enough, there is a hot spring!"Liu Feng's eyes couldn't hide the joy.

"Is this a hot spring? Can it also be used for drinking?"Mina scratched her cheek

"The spring water we usually see is cold, but I didn’t expect that there is warm spring water."Anli said in surprise

"You will know later, and you will definitely fall in love with this place."Liu Feng just shook his head. No matter what he said, it would be difficult for these three girls to understand, so he decided to get the hot spring bath out, and then everyone would understand.

"Mr. Lu, we need to build a house here. I’ll give you the design later. I’ll protect the spring. Liu Feng ordered

"yes!"

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