[1/5] A general view of "Casa de La Luna" during a media tour to Chichen Viejo at the archaeological site of Chichen Itza, in Piste, Mexico February 10, 2023. Archaeologist Francisco Perez Ruiz said there were no known residential groups in Chichen Itza, meaning the housing complex would represent "the first residential group where a ruler lived with his entire family." The area, known as Chichen Viejo, is expected to be integrated in the near future into the visitor area of the Chichen Itza archaeological site, a UNESCO World Heritage Site. "There must be more residential groups that have not been explored yet. Around 2 million people visit Chichen Itza site in southeast Mexico each year, according to official data.

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