A stratigraphic column shows the different layers of sedimentary rocks that were laid down in the Conca Dellà from approximately 255 million years ago to the present day.
In a room off this entrance hall there is a Roman altar, used for making sacrifices to the gods. To the left, there is an old wine press such as would have been used in Roman times to crush the juice from grapes. The wine press is protected by glass panels since this space became an information node for the astronomical observatory, the Centre d’Observació de l’Univers, at Àger in the Montsec mountain range. While seated beside the two thousand year-old wine press, the visitor can browse the observatory’s webpage and watch a video which gives a brief summary of its research and educational activities.