This kind of overlapping and staggering of mountain layers will form a staggered gap between the strains, although this gap is not small. However, between its height and inferiority, it is obscured by those trees that have grown for tens or hundreds of years, or even hundreds of thousands of years, and are several meters high, or even tens of meters.

In the primeval jungle, in some areas that are not very large, there is a drop of several meters between the terrain, which is the most normal thing. It is simply impossible to attract anyone's additional attention. Even on the images shown by those satellites, there is nothing unusual about this area.

Of course, the high mountains, the varied and rugged terrain, and the extremely dense primeval jungle have completely blocked the human footsteps from entering this place. Therefore, for thousands of years, the chances of those human beings trying to find such a place from tens of thousands of square kilometers of primeval jungle in the mountains and mountains are simply impossible.

Only the Prussian expedition team, after rummaging through many ancient records, with the help of modern scientific research methods, found such a place. The location of the insect is similar to the map, and even the description of the hole is very similar.

It is only for humans who are bent on entering Shambhala that this place is a secret place that cannot be found.

The natural environment of the area through which the Brahmaputra River flows is harsh and changeable in the early days. The deep valleys, the turbulent waters, the many uniquely shaped water systems, and the towering cliffs form a huge drop. Not to mention that ancient people, even modern people, it is difficult to cross. In such a mountain wilderness, there are genius treasures and hidden spirits, and the number of hidden spirits will definitely not be small.

Moreover, although this place is a buffer zone between Chinese cultivators and Aurora practitioners. It is precisely because of such a buffer zone that the cultivators of Huaxia and the cultivators of Aurora will not be in constant friction all day long because they are too close to each other. Therefore, not many practitioners enter this place.

That's why this Shambala has not been discovered for a long time.

Of course, according to geological principles, this is also the most likely place where Shambala, the gateway to the center of the earth, is located.

The main reason for the formation of the Brahmaputra River, a huge river ranked high in China, is the adaptation of fault structures.

A series of ultramafic rock masses appear intermittently along the middle and upper reaches of the Brahmaputra River, which are the result of deep rock masses rising along faults and outcropping the surface. At the same time, the stratigraphic ages on both sides of the river are different and the occurrence is discontinuous, and mixed rocks are also found in some places.

From a geological point of view, the Brahmaputra River is a huge geostasis line where the solid Indian Ocean plate and the Eurasian plate collide, and the downstream bend area was in the northeast corner of the collision zone at that time, so the collision suture line was turned and densed in its vicinity.

Therefore, the middle and upper reaches of the main stream of the Brahmaputra River are adapted to the development of the east-west deep fault structure, and the downstream of the river is adapted to the tectonic transition, and some huge reverse tributaries are the result of the secondary fault structure adapted to the main fault. The Brahmaputra River is a tectonic valley that is strictly adapted to the fault structure, and this kind of strict adaptation to the development of the structure is very rare among the rivers in the world.

Yun Lei still has doubts about whether this is the legendary Shambala, but now there is no other choice. He had no choice but to take Raoya to this place, where Shambala was most likely located.

After using the power of the space gourd to teleport a few times, Yun Lei took Rao Ya to the entrance of the cave where millions of insects had found.

At the entrance to the cave, there is a stream that flows through the jungle. And the deep forest is indescribably dense, tall and ancient huge trees, covering the sky and the sun, and in the distance, there is a huge flow of water, the sound of rushing down the canyon. It is the thunder fight of the Gaojiang Gorge, and the sun and moon of the ancient trees and vines.

Immersed in the stream, almost everywhere in this deep jungle is covered with fluffy green moss and some unknown low plants. On the trunk of each tree, there are dense locusts. In this humid and stuffy primeval jungle, there are some inexplicable smells that emit it.

It's like an old and decaying breath.

Yun Lei couldn't have imagined that in this world, there was really a territory that humans had never set foot in. Isolated from the world for thousands of years, even tens of thousands. Some of the things that have been left behind are probably longer than the history of mankind. The sound of the wind blowing in the treetops is like the breath of a practitioner.

It is also the only place that can cover the entrance to the cave of Nashambala.

Yun Lei took Rao Ya through the deep rainforest and trees, and found a deep cave according to the map left by the members of the Prussian scientific expedition.

The origin of this cave is not the same as that of a sinkhole. Not because of the karst landforms, but because of the fault formations. Between the two staggered floors, there is a huge gap more than ten meters long. And the height of this gap is actually more than two meters high. Similar to a one-story building.

In the notebook, the Prussian expedition team described the entrance to the Shamballa cave. In addition, the data is also labeled. And this data is very consistent with the entrance to this cave that Yun Lei saw with his own eyes. Come to think of it, this should be the entrance to Nashambala.

Yun Lei bowed in with Rao Ya.

However, contrary to the record, in the notes of the Prussian expedition members, the entrance to the cave, all the way down, although cold and damp, was only a slow underground river that could not be covered by the plastic shoes, and there was no living creature in it. Or rather, underground water flow.

As long as you follow this groundwater, you will find a relatively dry place

However, after Yun Lei took Rao Ya into this cave, under the illumination of the strong flashlight, he saw that the water was shining and the water was roaring. An underground river large enough to submerge a man.

Yun Lei knew that this eighty percent was the difference between the dry period and the high water period of the periodic underground rivers in this primeval jungle. There was no choice but to take Rao Ya and continue to explore with Rao Ya in the direction of the flow of this underground river.

Yun Lei took out a small boat from the space gourd that was originally in the ocean of his private planet as a yacht. Holding Rao Ya and sitting on this small boat, moving into this turbulent underground river, without Yun Lei to control himself, this small boat will go towards the deep underground!

Yun Lei saw that his eyes turned into darkness, and the subtle light at the entrance of the cave disappeared in an instant.