Actually, they’ve named it “Jeff Hanneman’s Circle Pit,” which is even better. So how did this happen, you ask? Joanna Macek Czuszek and Krzysztof Czuszek, proprietors of a company called Art-Com Ltd.

We find these extreme social gatherings generate similarly extreme behaviors: a disordered gas-like state called a mosh pit and an ordered vortex-like state called a circle pit. Both phenomena are ...

The following backyard fire pit designs are inexpensive and straightforward to build. Rocks arranged in a circle: If there’s ...