City - Tchichen Itza State - RIVIERA MAYA Country - Mexico
About
duplication of an old postcart, you can see the light effect. At the equinox, at the sunset time, and only at the equinox, you can see the shadow of the side of the pyramid making a big serpent going down the pyramid... an exemple of the complexity of the Tchichen Itza site and how the Mayas know so much about astronomy... and more. The precision of the construction is simply perfect. There's too many person at each equinox to celebrate the event...