inside two other structures that make up the pyramid also known as El Castillo, or the Castle. Earlier excavations in the 1930s had already revealed one structure inside the pyramid containing a ...

“The detector that we propose can locate variations in the density in regions as small as a cubic meter situated at any position inside of a large structure,” says Pérez de Heredia. El Castillo is ...

Its central structure, the temple to Kukulcán (also called El Castillo), was completed between the 8th- and 12th-centuries, and honors the feathered Mesoamerican serpent god known to preside over ...

Nico Declercq of Ghent University and his colleagues have shown how sound waves ricocheting around the tiered steps of the El Castillo pyramid, at the Mayan ruin of Chichén Itzá near Cancún in ...

As cave art goes, it doesn’t look like much: a single red dot, hidden among a scatter of handprints and drawings of animals on the wall of El Castillo cave in northern Spain. But this red ...

inside two other structures that make up the pyramid also known as El Castillo, or the Castle. Earlier excavations in the 1930s had already revealed one structure inside the pyramid containing a ...

Nico Declercq of Ghent University and his colleagues have shown how sound waves ricocheting around the tiered steps of the El Castillo pyramid, at the Mayan ruin of Chichén Itzá near Cancún in ...