1116-39238 - Twelve slabs positioned in a circle, representing the twelve lost provinces in present-day Turkey at the Armenian Genocide memorial complex on Tsitsernakaberd hill, Yerevan, Armenia
190-324 - The Stone of Twelve Angles, the Inca Palace of Hatunrumiyoc, Cuzco, Peru"The stone is in the Lienzo petreo wall, it is an excellent exaple of the Inca's skill with polygonal masonry"