Inside a ruined pyramid in the Guatemalan jungle, archaeologists have unearthed the oldest known Maya painting, a brightly colored 30-foot-long mural depicting the Maya creation myth and the ...

To the right there's a painting that's about 4 feet long. In it, two Chinese scholars dressed in long robes stand under a gnarled tree. There's a river and a soaring mountain range in the background.

Tree bark, volcanic ash ... properties of the material by using … traditional recipes from Maya people or the ancient Chinese, you can produce material that can be used in modern construction ...

If you incorporate the organic atoms from the tree sap you make the material tougher – Carlos Rodriguez-Navarro Studies have shown that ancient Maya builders used a range of natural materials ...