An hour boat ride along Usumacinta River on the Guatemala border can take you to Yaxchilan, Palenque’s less visited cousin in the tropics of Chiapas,
Mexico. Twelve-thousand-year old architecture brings many questions to mind. But at this moment, I wondered what life was like for these two gardeners, who spend many days working in the shadows of this ancient civilization. http://www.lonelyplanet.com/mexico/tabasco-and-chiapas/yaxchilan