Professor David stood in front of the huge door, his eyes full of passion and anticipation.

I'm afraid no one would have thought that there would be relics of an ancient civilization hidden in the mountains. This must have been a huge and difficult project in ancient times.

The changes in mountain terrain are almost negligible within a thousand years, so it is highly likely that this relic was not buried after it was built, but was built in the mountain from the beginning. The difficulty of its construction is definitely no less than that of a wonder like the pyramids.

If it weren't for the coincidental earthquake, this relic would probably remain here and not be discovered by anyone.

"What will be behind this bronze door? It's really exciting."

Professor Dukes reached out his hand and stroked the bronze that had changed somewhat over the years.

The bronze gate alone made him uncontrollably excited.

The civilization that made the most use of bronze in the world was naturally the ancient Chinese civilization.

As a professor who studies the Olmec civilization in ancient America, he has recently been keen on studying the theoretical conjecture that the Yin people migrated eastward.

The ancient Chinese and the ancient Americans had amazing cultural similarities. For example, the Olmec civilization, the ancestor of American civilization, had amazing similarities with the Shang Dynasty of China in the same period.

They are also yellow people, have pictographic characters similar to the oracle bone script of the Shang Dynasty, a culture that loves jade, and pictures on various jade artifacts that are similar to those of the Shang Dynasty culture. They also have the concept of heavenly stems and earthly branches, ancestor worship, and dragon totems...

There are so many similarities that one can't help but think that the Olmec civilization, the earliest and suddenly emerging civilization in the Americas, has some connection with the Shang civilization.

Coincidentally, according to Chinese historical records of the same period, a team of more than 200,000 people from the Shang Dynasty mysteriously disappeared, and it was said that they were heading east and escaping from the newly appointed King Wu.

If you go further east at that time, across the Bering Strait you will reach the American continent.

Therefore, the theory that the Yin people crossed the sea to the east and established the Olmec civilization became popular.

Professor Dukes feels that behind this relic today, perhaps more solid evidence can be found to support the theory that the Yin people migrated eastward and to support his research on ancient American civilization.

"No matter how excited you two are, we have to find a way to get in as soon as possible."

"The stone carvings at the door are at most proof that this is the remnant of the Olmec civilization. The interior of the bronze door is the highlight."

Seeing the two professors touching the bronze door and absorbed in studying the patterns on the door without going in, Carioca urged them on.

As a sinologist, he has been working with the two professors to study the theory of the Yin people's eastward migration. Naturally, he is also interested in the ruins in front of him that are full of the atmosphere of the Shang Dynasty and the Olmecs.

He intuitively felt that the discovery here would shock the world.

However, the commotion here must have alarmed the troops stationed here for unknown reasons, and the army is most likely on the way here.

They will definitely be held accountable for sneaking into the San Cristo Mountains. If they are caught, they will not have the opportunity to explore and research in the first place.

"Yeah, the interior is the highlight."

Professor David came to his senses after hearing this and began to feel around for the possible switch on the door.

After all, this bronze door that is nearly thirty meters high does not look like it can be pushed directly by human power.

Seeing this, Professor Dukes and Carioca also came forward to look for it.

Soon, they found a button-like object on the stone sculpture of a human head at the door.

On the forehead of the Olmec-style stone human head sculpture, a strange sun pattern is engraved on the raised button.

"Do you want to press it?"

Carioca asked, looking at the two people around him.

"It could be a trap, or it could be a button to open the door. Whatever it is, it has probably fallen into disrepair and is no longer useful."

Professor David spoke ambiguously, and it was unclear what his opinion was.

"Yes, there is no unknown past for us historians."

Professor Dukes' eyes sparkled as he spoke very seriously.

They had already spent a considerable amount of time trying to find their way through the countless rubble created by the violent vibration.

There is nothing to hesitate or consider now.

Carioca paused after extending his hand, saw that the two professors did not stop his action, and then pressed it down without hesitation.

The next moment, a slow and heavy friction sound rang in my ears.

The three of them looked in the direction of the sound.

I saw the huge bronze door began to open automatically little by little.

The bronze door split in the middle and moved horizontally to both sides slowly and steadily.

The three of them couldn't help but flash across their eyes with surprise. This mechanism, which had existed for who knows how long, was still working fine.

Curiosity filled the hearts of the three scholars.

Such a well-preserved mechanism, hidden in the ruins of the mountain, could there be something else shocking in it? Soon, the bronze door stopped moving.

An open hole was revealed, and the view inside was swallowed by endless darkness, making it impossible to see clearly what was inside.

"We'll need a flashlight if it's this dark."

Professor David said this as he rummaged through his backpack.

"This kind of ruins that have been inside the mountain for many years must have had ventilation holes in the past, but after such a long time, it is uncertain whether the ventilation holes still exist."

"Fortunately, we brought small breathing equipment."

Professor Dukes said this with a look of foresight.

In his backpack, there are three portable nasal oxygen cylinders and masks, enough for exploring in areas with unknown air for 10-30 minutes.

Seeing this, Carioca subconsciously twitched the corners of his mouth.

How come the two professors can come up with anything at the critical moment just like Doraemon?

Although he secretly complained in his heart, he did not stop putting on the equipment. After all, as a scholar, he was also looking forward to the next discovery that might shock the academic community and the world.

The huge bronze door, the mechanisms built inside the mountain and still functioning after such a long time are all unimaginable miracles.

The three of them quickly packed up their equipment, then used the flashlight to temporarily break through the darkness for a distance and headed towards the bronze door.

In this pitch-dark environment, the only light was provided by the flashlights of a few people.

It can be roughly seen that this is a deep, sealed passage up and down, left and right.

The surrounding walls and floors appear to be covered with the same material, which appears translucent, reflective, and smooth like jade.

Or to be more precise...

This is jade!

The ceiling, floor, and walls are all covered with light green jade, carved with various patterns in the style of Olmec civilization.

It is decorated purely with jade, and the overall look is extremely simple and luxurious, which is almost more luxurious than the legendary Golden City.

"It's not accurate to say that these patterns are in the style of the Olmec civilization. Carioca, come and see if they are more similar to the Shang Dynasty style."

Professor David pointed to a pattern on the wall and spoke to Carioca beside him.

"These patterns are somewhat similar to those of the Shang Dynasty, but there seem to be many differences."

"Could this pattern be the transitional period from the Shang culture to the Olmec culture? If so, this is solid evidence that the Shang people crossed the sea to the east."

"If confirmed, the whole world will have to admit that the origin of American civilization may really come from the Shang Dynasty."

Carioca looked at the lines and pondered.

Before he could continue expressing his opinion, bursts of light lit up in the darkness.

(End of this chapter)