The feeling of a tremor came from the laboratory, but since Tianze Base was built entirely of alloys, apart from a bit of dust falling from the hole Su Huan had just broken open, there were no signs of collapse underground.
The researchers merely glanced up and continued packing various precious instruments and materials from the base.
Every top-tier power's research lab concentrated the essence from before the apocalypse, even the most ordinary petri dish might contain research achievements that a train couldn't replicate in ten or even twenty years.
Thus, to this day, Director Xu's laboratory remains the core of train research.
The train conductor, with half a shirt and sleeve torn, casually pulled over a complete incubator, tore open the metal lid, and tossed Ma Hongyu inside.
