Xochicalco: Pyramid of the Plumed Serpents October 7, 2014 800 × 232 Xochicalco: Pyramid of the Plumed Serpents W0074SC: Pyramid of the Plumed Serpent Detail Colourised detail of the rear right-hand serpent, date and New Fire glyph, and seated figure, who appears to be Mayan. © Robin Heyworth – Photo taken 18th December 2001