At the end of August remains of dwellings of dugout type, said to be 5 th. years old, have been found by the village of Keret, near Loukhi or Chupa in Karelia.
Within less than a mile from these a new labyrinth has been discovered, the 4th one in Karelia so far. 
These stone labyrinths found in Norway, Finland, and Russia are “only” a few centuries old. No definitive explanation about their origin and use exists at the moment.