diameter

Entrants choose their own stones and judges use a measuring device, the "ring of truth", to ensure they are no bigger than three inches in diameter.

Among the munitions were dozens of thick, green plastic discs about the diameter of a saucer.

Captain Nathan Davies, a commercial airline pilot, says: "I have noticed more large storm cells spreading 80 miles plus in diameter in the last few years, something you'd expect to be rare."

In 2022, authorities discovered a similar tunnel under Otay Mesa that was roughly 1,750 feet long, 60 feet deep and 4 feet in diameter with reinforced walls and a rail system.

The round table is 14 feet in diameter to accommodate all the players.