This is a towering ancient tree growing on the edge of a rock. It is extremely huge, with lush branches and leaves. The diameter is estimated to be five to six meters. The ancient tree has a well-developed root system that is intertwined, and countless vines fall from the sky, tightly wrapping the huge rock next to it, leaving only a few gaps for one person to pass through.
Xu Jianguo stood beside the ancient tree, looking at the huge rock covered with vines, a smile on his face.
"Damn it, I finally found it, but I don't know where it leads to. Let's take it one step at a time!" Xu Jianguo muttered to himself.
With the help of the Eye of Time and Space, Xu Jianguo ran all the way. When passing by this place, he accidentally glanced at it and discovered the space behind the boulder.
The ancient tree was less than three meters away from the thick fog. Xu Jianguo walked forward and came to a gap in the vines and observed it carefully.
Through the gap, Xu Jianguo could see that there was an artificially dug hole on the boulder. Inside the hole was a cavity of less than two square meters, and inside the cavity was a passage leading straight downwards.
Xu Jianguo didn't hesitate for a moment. He took off the backpack from behind him and held it in his hand, then leaned sideways and squeezed into the gap.
The air in the cavity of the boulder was very humid, and a musty smell gave Xu Jianguo a headache. He came to the side of the passage and looked inside, and found that the diameter of the passage was about one meter. The inner wall of the passage was polished extremely smooth, and the traces of artificial excavation were very obvious.
The passage tilted downward at an angle of about forty degrees. Xu Jianguo used the Eye of Time and Space to check but could not find the end, so he threw a stone into it. The sound of the stone rolling in the passage lasted for more than a minute before it stopped.
Without stopping for long, Xu Jianguo put on his backpack, stepped into the passage, supported himself on the semicircular stone wall with both hands, and slid down little by little.
Because he kept controlling his speed, Xu Jianguo slid in the passage for nearly five minutes before arriving at a more open space.
Xu Jianguo estimated that the length of this passage was about four hundred meters. Although it was inclined downward, it had already escaped the range of thick fog.
The space outside the passage should be an underground cave. It is not large, only about 20 square meters. There are some stalagmites and stalactites in the cave. On the stone wall opposite the entrance of the passage, there is a stone door with two doors opening into each other.
Xu Jianguo came out of the passage and walked towards the stone gate.
The material of the stone door is very ordinary, just ordinary bluestone. The ground and walls outside the door are paved with a layer of blue bricks. Xu Jianguo gently pushed the stone door and found that it did not move at all. He then opened the Eye of Time and Space and looked inside the stone door. As his sight passed through the stone door, he found that the back of the stone door was blocked by a huge wooden bolt.
When Xu Jianguo saw the door bolt, he was not angry, but a smile appeared on his lips. The appearance of the door bolt made him sure that there must be someone behind the stone door. This was equivalent to the anti-theft door at home. The door could only be locked when there was someone at home.
Xu Jianguo observed that the thickness of the stone door was about ten centimeters. With his current strength, he could actually smash it with just one punch, but in order not to alert the enemy, he gave up the idea.
Pulling out the black iron dagger from his waist, with the help of the Eye of Time and Space, Xu Jianguo aimed the tip of the knife at the position of the bolt behind the stone door. With a slight force, the dagger easily sank into the stone door.
Xu Jianguo originally thought that it would require some effort, but he didn't expect it to be so easy. For a moment, he couldn't control his strength and almost hit his head on the stone gate.
Looking at the black iron dagger in his hand, Xu Jianguo's eyes showed even more love, and it could even be said that he couldn't let it go.
He pulled out the dagger, looked at the intact blade, and then looked at the gap cut by the dagger on the stone door. It was still smooth and free of burrs, so he no longer hesitated and dug a 20-centimeter square hole on the stone door in a few strokes.
The hole was right at the gap between the two stone doors. Xu Jianguo took the cut stone and threw it aside, then bent down to look at the latch inside.
The door bolt was made of wood, but no one knew what kind of wood it was. Xu Jianguo used a dagger to scratch the wood with a little force, and the wood with a diameter of more than ten centimeters was split into two.
Xu Jianguo inserted the dagger into the scabbard and gently pushed the stone door, and the two stone doors were pushed open.
Behind the stone gate is a stone chamber with walls made of blue bricks. There is nothing else in it. Opposite the stone gate is a flight of stairs paved with blue bricks leading upwards.
Xu Jianguo turned around, closed the stone door, and then walked towards the stairs.
After walking up the stairs for about ten minutes, Xu Jianguo was blocked by another stone gate.
Through the Eye of Time and Space, one can see that behind the stone gate is an antique display shelf, on the left side of the display shelf is the door of the room, and on the right side against the wall is a set of tables and chairs. Directly opposite the display shelf, the first thing that catches the eye is a large word "Tao". The font style is exactly the same as the one behind Fu Niu. Below the word "Tao" is a large bed, the style of which is somewhat similar to that of a Buddhist meditation bed.
There was no one on the bed at this time. When Xu Jianguo saw the word "Tao" on the wall, he breathed a sigh of relief and thought that the destination of his trip should be behind this stone gate.
Xu Jianguo observed carefully and found that there were no valuable cultural relics on the antique display shelf behind the stone gate, only some ancient books in thread-bound volumes. Moreover, the antique display shelf seemed to be a whole with the stone gate in front of him. Although the four supporting legs under the shelf seemed to be close to the ground, they were actually not touching the ground to bear weight.
He raised his right hand and placed it on the stone door, then pushed it gently. A half-meter-wide gap opened in the stone door in front of him.
Xu Jianguo did not rush out, but listened quietly to the movements outside. When he was sure that there was no one there, he gently walked out of the stone gate and casually put the stone door back to its original position.
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