Underground Facility

We finally reached the end of the cave. We entered something that resembled an old abandoned bunker built deep underground. It doesn't look like anything we've found before: we assume alien visitors set up a research lab down here. And given the dilapidated tanks, various bones, and fossils lying around, they were studying these species just as we were... Only they had this opportunity to conduct research when their specimens were still alive. … immediately jumped to work, trying to gather any useful information from the site and data banks, as soon as we plugged them into the power source.

The command below will trigger the "Underground Facility" event in Stellaris:

When this event fires, you can choose between the following option:

• What mysteries will we uncover?