Nabta playa was a drained basin that the nomadic pastoralists visited when it was full of the summer rains. They came to water and feed their animals as well as record astrological events and construct impressive stone structures. Their reliance on the stars is also evident in Megalithic structures that are found around the Nabta playa. One of the structures is parallel to the rising point of Sirius, the brightest star in the night sky. They aligned the megalithic structures with the star so that as it was rising it reflected off of the structure and onto the lake, creating a brilliant display for onlookers. There are six megalithic alignments that are across the land of the Playa that all seem to be in relation to each other. The structures seem to extend outwards from one central complex structure. The lines seem to be in line with the rising positions of three prominent stars during the period 4800- 3700 B.C. which were Sirius (the brightest night sky star), Dubhe (the brightest star in Ursa Major), and stars in the belt of Orion. These nomadic people used to stars to their advantage to not only survive, but thrive on a land that seemed impossible to live on.