The Pyramid of the Sun was built by the Aztecs.It´s the largest one in Teotichuacan and the lasgest one in Mesoamerica with a length of 220 meters and a width of 230. At 12:00, when the sun reaches in highest point, all visitors raise their hands up to the sky to receive all of the energy from the sun.Around the Pyramid of the sun there are more pyramids including the Pyramid of the Moon.If is posible for you to visit this magnificent pyramid do it, and don´t forget to raise your hands at 12:00.