Aztecs influenced by aliens?

It is very likely that the Aztec civilization was influenced by Aliens. Not only the sacrifices they did were a symbol to honor these extraterrestrial gods, but also the pyramids they built were certainly influenced by the alien visitors. Moreover they simply disappeared from Tenochtitlán in the 16 th century. Did they leave our planet? Or where did they go to? Nobody can tell. 

In every important occasion a sacrifice was offered. The most common animal sacrifice was a llama. At the end of the celebration of the sun cult was reported by many animal sacrifices.
In nowadays La Paz, the seat of government of Bolivia, there are still markets where countless mummified llama embryos are available. Among the buyers are primarily indigenous women, rarely tourists, where the embryos are kept mostly hidden.