It is about one geological phenomenon, the "mirror" of Arkitsa. OR its name is due to the fact that it looks like a mirror, giving a unique sight, especially up close, where the vertical, polished surfaces liftthey are abrupt. It's mea vertical rocky surface with striations 300 long m. and heighty 80 m. The striations were caused by the abrasion of rocks during successive seismic events over the centuries.
https://www.kaliterilamia.gr/2019/07/blog-post_257.html
