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"The soil in the Qilu Region generally consists of brown soil, fluvo-aquic soil, black sandy soil with ginger, saline soil, something you should have studied in university," Lin Chuan said.
Qin Sisi nodded earnestly.
Lin Chuan continued, "I won't mention the smaller tombs, let's mainly talk about the great tombs."
"Okay."
Qin Sisi borrowed some paper and a pen from a waiter and prepared to take notes.
Lin Chuan took a sip of tea and explained:
"The great tombs in the Qilu Region often exist in the form of underground palaces, and many of them were for dukes and high-rank officials. They are of high standards, imitation of the netherworld, and isolated from the ground surface. Hence, they often use wax to seal the tombs and conceal strong acidic liquids within the wax layer to prevent tomb robbers from desecrating the site. Here we need to consider two scenarios."
"Which two scenarios?"
Qin Sisi stopped writing and asked.
