550 black market

"the buildings here have been very long, at least four or five thousand years. Unlike our people, although there are thousands of ancient cities, those buildings will collapse and be rebuilt in three or four hundred years." Li Donglei looks at the large-scale buildings that exude the atmosphere of simplicity and sighs with emotion.

the materials in the heaven are very solid. These materials have existed for thousands of years in the terrible corrosive environment outside. There is array protection in Wuhu City. The corrosivity is greatly reduced. It's normal that they exist for thousands or even thousands of years.

"boss, what are we going to do...