All Heavenly destiny reduced to ashes - Chapter 993 - 263: Chief Engineer of Ancient Immortal Ruins (6000)_2

... the plain, there are mountain ranges, lakes, rivers, and swamps. In the distant sky, there are numerous remnants of fortresses from the Ancient Immortal Era, some as massive as mountains, floating up and down in waves between the sky and the ground. In the boundless sea of clouds, one can occasionally see large, inverted metal bases. Looking up from below, they resemble the pupils of a giant metal god, continuously contracting.

Some are only as large as human towns, not even comparable ...