two young girls exploring stone forest, natural rock formation, created by multiple layers of stone, located near monodendri

autumn balkans canyon child cliff destination epirus europe explore family forest formation girl gorde gorge greece greek hike hiker ioannina landmark landscape layer monodendri monodentri mountain national natural nature northern park petrodasos pindos pindus rocks rocky sky stone tourist travel tymfi tymphe tymphi vikos wilderness zagori zagoria zagorochoria zagorohoria