Mystery Blocked Passage Discovered Near Mayan Temple Could Unlock Secrets of Ancient CivilizationArchaeologists believe they have found a new passage into the never-before-seen bowels of a Mayan temple, from a nearby burial room, Mexican newspaper El Universal reports. The passageway begins in the ossuary—a ruined pyramid hiding a macabre bone vault—within the buildings of the historic Chichén Itzá complex in the Yucatán Peninsula. The route has been mysteriously sealed, and the team of the Great Mayan Aquifer Project that has been studying the ruins for months*not only believes the Mayans closed the passage deliberately but also that it leads to the underground of Chichén Itzá’s centerpiece—the large Kukulcán Temple pyramid.