Planet Crafter 2

The space mission you’re doing is excellent. It is crucial for all mankind. The terraforming of the planet is going perfectly: lakes and primary moss are appearing, you can see clouds in the sky, and the first plants are not far away. Suddenly you receive a message saying that a deep scan of the planet has been made. The unknown has found an odd thing. Now you have the coordinates of this anomaly, and you must hurry to this place to start exploring. You find something underground. Is it dangerous for you, and will it prevent you from accomplishing your mission?