Chichén Itzá is one of the most important archaeological sites in Mexico, related to Mayan and Toltecs culture. Great temples, steep pyramids and colonnades erected in this place give us incredible image of this former empire. The location of the city in the hot, dry area of the Yucatan peninsula was possible due to two wells called cenotes. One of them was a water tank, while the second larger, called Cenote Sagrado – holy well, which was used for ritual purposes. It was the sacred place of the god of the rain – Chaca. In this well, not only valuable objects were sacrificed but people as well. In addition to…