Nine children have died and 99 have been left ... Experts point out that some of the exercises, such as the human pyramid and human tower, are especially dangerous. A human pyramid collapses ...

The mystery of a pyramid structure that was found under the sea off the coast of the Azores Islands in 2013 is still puzzling ...

A recent discovery at the top of a pyramid in El Salvador challenges the ... what may have been a funerary deposit. Instead of human remains, however, they found five ceramic figurines, three ...