“It can’t be?”
The dragonfly-like machine raised its head and looked up. Its bulging eyes kept rolling around as if it was sensing something. As it moved, suddenly, a strange phenomenon appeared at the originally normal location of the sewer.
The underground sewage system of the six major cities on Mars was very advanced. It used a federal standard sewage system that covered almost the entire underground of the city. As the dragonfly moved... Dense lines suddenly appeared in the entire underground sewer... ...
Extremely small fibers that emitted a faint light. These fibers were extremely similar to the blood vessels of living creatures. They were connected to the entire underground passage. They breathed and breathed rhythmically, as if there was a heart beating in the depths of the underground... ...
