In pagan times, offerings used to be left in the cup-shaped depressions carved into this stone and the hundreds like it that are scattered throughout the country. Actually, offerings are still left; you’ll often find coins or flowers, even on those stones that have made their way into museums, and on this particular stone, students leave burnt offerings of their lecture notes.
Nearby is a natural parapet known as the Kissing Hill, where Russian newlyweds affix padlocks with their names scratched into them.