Why did the mayans build observations
the biggest building the mayans built was 20 storuies tall
no
They didn't build crops, they grewthem, mainly for food.
the first observations of the solar system were made by the mayans
a house that took long to build
Mexico, Belize and Guatemala
Rossetta stone was used to build some of the pyramids.
they built their houses out of mud brick!
They created accurate calendars based on observations of the sun, mon, and planets
they built rain collectors if that what you looking for
Religious ceremonies including human sacrifice
Mexico, Belieze, and Guatemala.