Waves in the rock IMG_9217

This rock has not always been hard as it has got some waves on it. Very old ground-rock can be seen in many places in Finland. I found this rock in Toukola in Helsinki.

[Steve Harvey]

This is really cool. Nice find.

[Peggy Scroggins]

Wow, I have never seen rock formed that way. Thanks for sharing.

[Diana Moss]

thanks for the follow.... This picture is very interesting.

[Slava]

What a wonderful find!