Text written in Basque and translated automatically by Elia without any subsequent editing. SEE ORIGINAL

The laminar system

In the new one, 4,800 m of galleries cross the limestone below the Mereludi Valley. It's a lamellar system. This library has two entries: Cueva de Armiña, and Cueva de Lamiñas. From the latter emerges the underground stream that comes from the interior. Inside, the galleries are located at different heights, connected by a series of vertical passages. And throughout the galleries you can see numerous formations, as well as meanders, wells, a waterfall