Gumilyov Eurasian National University discovered a 3,800-year-old hexagon-shaped structure that was ... and eight rows of stones between each face. It is a very complex structure with several ...

A hexagonal prism has 18 edges. Image caption, The vertices of a prism are at each end of the 3D shape. The number of vertices is twice the number of vertices of an end face. A triangular prism ...