Tombstone from the Middle Ages called stećak. In Bosnia and Herzegovina there are about 60,000 of these tombstones, and they are the most important monuments of the medieval Bosnia's kingdom. Historians believe that under these tombstones buried members of all religious denominations - Roman Catholic, Orthodox and members of the Bosnian Church - Bogomil. Tombstones were built from the 13th to the 15th century. The photo was taken on a plateau Dugo Polje in Bosnia and Herzegovina.