Mayan descendants struggling to cope in modern world
15 February 2012 Last updated at 23:40 GMT
The Mayan civilisation may have died out centuries ago, but people descended from them still live in Central America and southern Mexico.
They are among the poorest in the region, and attempts to alleviate their poverty have relied on modernisation and development - but the results are far from ideal.
Alastair Leithead reports from the Mexican state of Chiapas.