El Castilo Temple of Mexico
The Chichén Itzá temple area were wide enough with a lot of temples, whereas each of the temples were separated one another. In the middle of the area there was El Castilo ( palace ). El Castilo also formed like pyramid, but with dull roof-edge.

- El Castillo of Mexico
Every March 21st and September 23rd, where having the same duration of night and day, whereas by day, the stares of the temple is shadowed. An optical illusion will result like there are many snakes climb over to the temple, but on the next day, it looks like the snakes are rolling down the temple.
