The two of them stopped talking and slowly walked further inside.0

Zhao Changhe carefully observed the walls on both sides of the passage, coming to judge that they had been carved out many years ago. This meant that this passage was not a recent development, but, at the same time, it didn’t seem like it had been dug out as far back as the previous era.0

Sisi also observed the surroundings. She seemed to be much more knowledgeable when it came to judging these things than Zhao Changhe. As she scrutinized the walls, she furrowed her brow and commented, “This passage should have been excavated nearly a century ago, with signs of recent expansion. It seems that the Lu Clan has been continuously exploring the secrets here, perhaps ever since the founding of their clan, with each generation picking up from where the last left off.”0

Zhao Changhe was stunned. “Why don’t I seem to see any new marks?”0

“Here,” Sisi stretched out her hand and lightly tapped a spot on the right wall, and then she gave it a gentle push. To their surprise, that section of the wall could actually be pushed open.0

But then, both of them immediately covered their noses and backed away, their eyes...0