Nemrut (volcano) inside the caldera, becoming the world's second largest caldera lake. Subsequent eruptions separated a small lake Ilı from Lake Nemrut. Nemrut volcano has an elliptical shape, its size at the base is 27×18 km, and its center contains 377.5 km of volcanic materials. The caldera of Nemrut is the largest in Turkey, the fourth largest in Europe and sixteenth largest in the world. Locals link the name of the volcano with the legendary ruler Nimrod, who is credited with the construction of the Tower of Babel. Turkish chronicles of the 16th century reproduce a local legend as follows: Eruptions of
Mount Nemrut the site can also be found on the tumulus at the site, which is and in diameter. It is possible that the tumulus was built to protect a tomb from tomb-robbers since any excavation would quickly fill with loose rock. The statues appear to have Greek-style facial features, but Armenian clothing and hair-styling. The western terrace contains a large slab with a lion, showing an arrangement of stars and the planets Jupiter, Mercury and Mars. The composition was taken to be a chart of the sky on 7 July 62 BC. This may be an indication of when construction began