Chichén Itzá sits in the northern Yucatán Peninsula, and at its centre stands El Castillo, formally the Temple of Kukulkán. It is roughly 30 metres tall, nine stepped terraces topped by a temple, with ...
Some birds sing to attract a mate. Others dance or display colorful feathers. But in the moonlit forests and shrublands of northern Argentina, one bird courts romance by snapping its wrists together, ...