Midworlder's Fotothing

Bolivia - The ruins at Tiwanaku or Tiahuanaco depending on which tribe you listen to

Pre Incan civilisation which dated from 1500 BC ... several tribes joined together to use different skills to build one of the main Pre Incan civilisations.

These ruins date from 100 AD and were the culmination of all their talents

They used some of the same masonry techniques as the Inca's but also hinges