You can build a model of the Great Pyramid, but first you need to scale it down. To do this, you will need to make the pyramid 3,000 times smaller than it really is! To achieve that, every 30 ...

A gorgeous property located inside an old ceramics factory in the heart of Puebla's old town.

also called the Great Pyramid - the largest of three main structures in Giza. What's more, the team used cosmic rays to locate the void and estimate its size through millions of tons of rock.