A Trip To Åstön - Saw Something Unexpected

Now I'm on my way out to Åstön, which is a nature reserve that offers a range of beautiful experiences and activities. Åstön is known for its unusually long unbroken stretch of coast of around 15 kilometers. Cliffs, bays and torrents characterize the landscape.
The area has several old military roads that are perfect for cycling or walking.
I come across something down the road I've never seen before…