C292 A Contrast

"Did you know there was a secret research base here before the apocalypse?" Duan Wentian walked to Gu Liangchuan's side and asked. Many people knew about this, but they didn't know the exact location.

"Yes, I know." Gu Liangchuan did not expect him to mention the research lab. They had chosen another place after collecting the warehouse. This place was very confidential