"New analysis of the language and gesture of South America's indigenous Aymara people indicates a reverse concept of time"
"...Contrary to what had been thought a cognitive universal among humans – a spatial metaphor for chronology, based partly on our bodies' orientation and locomotion, that places the future ahead of oneself and the past behind – the Amerindian group locates this imaginary abstraction the other way around: with the past ahead and the future behind."
"...Analysis of the gestural data proved telling: The Aymara, especially the elderly who didn't command a grammatically correct Spanish, indicated space behind themselves when speaking of the future – by thumbing or waving over their shoulders – and indicated space in front of themselves when speaking of the past – by sweeping forward with their hands and arms, close to their bodies for now or the near past and farther out, to the full extent of the arm, for ancient times. In other words, they used gestures identical to the familiar ones – only exactly in reverse." (Physorg.com)