Keywords: Chichen-Itza-Ossuary-Stairs.jpg Stairs with plumed serpents Ossuary at Chich'en Itza Yucatán http //www astrosmo unam mx/~r lachaume/fotos/yucatan/chichen-itza-ossuary-02 jpg 2006-04 Régis Lachaume http //www astrosmo unam mx/~r lachaume/fotos/yucatan/LICENCE Ossuary in Chichén Itzá Stone stairs |