C1215 He Went Back to Urgnard

At this time, Zhou Wen finally had the time to carefully look at the Underwater Palace.

This was an underground cavern formed by the movement of the earth's crust. There was a cavern that could lead to the bottom of the sea.

Only in the ocean could there be such a strange terrain.

The area of this cavern was about a few dozen square kilometers. There were a few simple buildings here