In a single chamber there are considerable carved hieroglyphs that point out rulers of Chichen Itza and possibly of the close by city of Ek Balam, and include a Maya day inscribed which correlates to 869 Advertisement, on the list of oldest such dates found in all of Chichen Itza. https://rylanlaqfs.onesmablog.com/what-does-petra-jordan-mean-77648385