Every purchase supports the british museum the turquoise mosaic of a double headed serpent is one of the most alluring objects in the british museums mexican gallery made over 500 years ago this icon of aztec art is admired for its symmetry beauty and colour but it is also chilling anddisquietening those perfect curves end in teeth and those teeth absolutely mean death this absorbing film examines the serpent in detail the materials the tools and techniques used to craft it its original