The Stone with the hole, Venchan, Bulgaria

An aerial picture of A stone called "The Stone with a hole" near a village of Venchan, some 400 kms. (250 miles) east of the Bulgarian capital Sofia. The Stone is very famous tourist attraction for tourists from the whole world. For the ancient inhabitants of these lands, the Stone served to determine the summer and winter solstice, as well as the spring and autumn equinoxes. On the other hand, its appearance resembles a large prehistoric bird perched on a hill, hence its other name - The Pterodactyl.