Chapter 2718： flaw

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After lunch, Ye Tian took David and a group of company employees to the adjacent early Renaissance building to continue exploring.

All parties, including the Bishop of Kent and Giovanni, did not leave, but followed to the second historical building.

Most of them have the same treatment as before. They can only stay in the lobby area on the first floor to drink coffee, or to admire the scenery and enjoy the noon sun in the atrium garden.

Only two media reporters and a few representatives from all parties can follow the brave to explore the company's employee activities fearlessly and conduct on-site supervision.

In a blink of an eye, the exploration in this historic building has been going on for more than an hour.

During this period, everyone discovered two hidden compartments, located on the first and third floors of this historic building, both of which were hidden in the walls.

However, these two hidden compartments had already been emptied, and there was nothing inside.

The company employees who discovered these two secret grids, and Ye Tian, ​​who opened them with expectation, only gained disappointment.

Next, everyone can only continue to explore and see if they can find something.

At this time, Ye Tian led David and Ian into a basement and began to explore here.

As before, Ian and the others scanned the floor and walls of this basement with a pulsed metal detector to see if they could detect metal signals.

Ye Tian first looked at the environment here, then squatted down and began to look at the ancient and smooth slabs on the ground.

Pretending to observe carefully for a moment, he smiled and said:

"Like the other basements we have explored just now, this basement was also remodeled on the basis of the Roman dungeon. The stone used on the floor is older.

Around the fifth century AD, these stones on the floor were already placed here, while the stone wall at the door was built in the mid to late 15th century.

On the stone wall at the entrance, there are a lot of stones and architectural debris from the nearby Colosseum. On the floor of this basement, the same stones cannot be seen. This is proof."

With that said, Ye Tian stood up, walked to the wall at the entrance of the basement, and pointed out a few stones and architectural debris from the Colosseum.

On those stones and architectural fragments, you can see some complex or simple patterns, and various lines, with obvious characteristics of ancient Roman architectural art.

The same patterns, patterns, and lines can be seen everywhere in the ruins of the Colosseum.

More importantly, the texture of these stones and building fragments is exactly the same as those from the Colosseum ruins, obviously from the same place.

After pointing out these findings, he walked to the side wall and began to check the condition of that wall.

That wall was also built in the mid to late fifteenth century, with the purpose of separating this basement and closing the original underground passage by the way.

While looking at the wall, Ye Tian also pulled out the German army knife tied to the outside of his calf and scratched the surface of the bricks and the gaps between the many bricks with a sharp and sharp point.

Along with his movements, there was an ear-piercing noise in this basement, and it made people get goose bumps.

Fortunately, everyone has already adapted to this sound, and it doesn't feel particularly uncomfortable!

At the same time, Ian and the others continued to explore.

They took the pulse metal detector and scanned every corner of the basement carefully. Unfortunately, nothing was found, and the sound of the pulse metal detector never sounded.

After exploring this basement, Ian and the others retreated to the door, waiting for Ye Tian and the others.

At this time, Ye Tian had already arrived in front of the wall facing the entrance of the basement, and began to look at this wall carefully, beating, or scratching the surface of the wall with a saber.

"Bang Bang Bang"

Following Ye Tian's movements, there was a muffled noise in this basement, and occasionally there were bursts of harsh noises.

Suddenly, Ye Tian, ​​who was beating and checking the wall, stopped the movement of his hand, his left hand clenched into a fist, then stopped in midair, only five or six centimeters away from the wall.

He looked at the wall carefully, and then said excitedly:

"Guys, I think I found something. Maybe it was a surprise. I'm sure this ancient wall has been moved before."

Upon hearing his words, David and Ian immediately showed a surprise on their faces and walked over quickly.

Before coming to this wall, these guys looked at this wall expectantly, even learning from Ye Tian, ​​knocking on this wall hard, but found nothing.

After a closer inspection, David asked confusedly:

"Steven, there doesn't seem to be anything special about this wall. What did you find on this wall? What is the so-called surprise?"

Ian and the others, too, looked at Ye Tian suspiciously, looking forward to his answer.

Ye Tian looked at these guys, then smiled and said:

"This wall, like the floor, was built around the fifth century AD. It was part of the ancient Roman underground city. Unlike the wall at the door, it was built later. There is no stone from the Colosseum on this wall.

Another point is that the diagonally above this wall is the atrium garden of this historic building on the ground. That is to say, this stone wall is one of the back walls of this underground city. Behind it should be the ground, not other spaces. .

When the ancient Romans built the underground city, in order to make the underground city more durable, they used a lot of ancient Roman cement, which made the Roman underground city stand tall after thousands of years, and there was no large-scale collapse.

However, the gaps between the stones and bricks on this wall have been manipulated. The ancient Roman cement that filled these gaps had long been knocked out, and then filled with cement to try to cover up the traces.

Those who tried to conceal these traces overlooked one point. With the demise of the ancient Roman Empire, the technology of ancient Roman cement was also lost. In the following hundreds of years, no real ancient Roman cement could be produced in Europe.

The cement he used should be an imitation of ancient Roman cement, not real ancient Roman cement And after he rebuilt the wall, he did not soak it in sea water for a long time in accordance with the ancient method. .

After refilling these gaps with imitation ancient Roman cement, it seems that there are no flaws at first glance, but due to the different composition of the cement and the long-term soaking without seawater, the horse's feet are slowly exposed.

As a result, these imitation cements are far less robust than real ancient Roman cements, and there are certain differences between the two cements. If you look closely, you can still see some clues."

While saying this, Ye Tian also pointed his finger at a few gaps in the wall, allowing David and the others to watch.

The long-term accumulation of dust and dirt in those crevices has been scraped off by the tip of his German army knife, exposing the cement and stones below for easy observation!

David and Ian leaned forward and looked closely at this ancient wall and the cement filling those gaps. Everyone looked excited.

Yesterday, in the three historical buildings near Trajan's Square, and in the process of exploring today, they have seen the state of ancient Roman cement after solidification.

When they unearthed the treasure of Marc Anthony before, they also saw what the broken ancient Roman cement looked like, and they had some experience!

At this time, after Ye Tian's guidance and conscious observation, they quickly saw a little way.

"Yes, Steven, the cement in these crevices seems to be slightly lighter in color than the ancient Roman cement we smashed yesterday, and not as dense.

The solidified ancient Roman cement is like stone, very hard and difficult to break, but the cement in these crevices does not look so hard anymore, so it should not be difficult to clean up! "

Ian said excitedly, his eyes shining straight.