Olmec stone mask (made around 2,500 years ago) found in Mexico I'm holding a face in my hand, and it's very definitely a face, and not a head. It's made in polished green stone, and it's hollowed ...

Coming up at: 21:58 Weather View full schedule Olmec stone mask (made around 2,500 years ago) found in Mexico I'm holding a face in my hand, and it's very definitely a face, and not a head.

They've been called the mother culture - the 'cultura madre' - of Central America, and it was this Olmec mother culture that produced this unsettling face. So far this week the objects in this ...