Grooved stones along the way

The area of the lake district, especially the Müritz region are rich in natural monuments. But what is hardly noticed the grooves stones. So only the grooves in stone Mollenstorf in Penzlin and the groove stone in the forest at Klein Luckow and Wildberg known just north of Kastorfer See currently.
Grooved stones are from the same time as the burial mounds and megalithic tombs.

Grooved stone
  in the nature reserve
  near Klein Luckow
at Vollrathsruhe

Grooved stone north
the Kastorfer See
at Wildberg

Grooved stone
in Mollenstorf /
city Penzlin