C459 After the Glass Dome Was Completed, the Tsunami Came.

In order to ensure the stability and safety of the large-scale steel structure, a lot of metal frames were required.

If there were a lot of these frames, they would cast a lot of shadows on the Sky City.

Taking this into consideration, the frame of the glass cover was completely made of a transparent metal.

In reality, only the army of the Setruarhiel had developed a type of transparent metal