of Rapa Nui's (Easter Island's) Moai are adorned with a 'topknot'
called a 'pukao' (pronounced "poo-cow"). The pukao is
red scoria that was carved from a quarry called Puna Pau located
about 15 miles from Rano Raraku where the Moai were carved.
average 1-4 tonnes each and were quite remarkable in their construction.
of each pukao was custom carved to match the size of the moai's
head that it would be placed on. This 'custom fit' would ensure
that the pukao would not move once in place - perhaps as a precaution
for earthquake or tsunami?
reminded me of the ball and socket joints that were carved in
the lintels and supports at Stonehenge to keep the structure as
solid as possible. These were incredible architectural feats considering
both societies were not exposed to these techniques anywhere else