Nielsen said the pyramid took him exactly three years to assemble and weighs 6,360 pounds. He said the pyramid is composed of 93,665 small stacks of 11 pennies. The base of the structure is 65 stacks long and 65 stacks wide. "The way I built it, I take 11 pennies; I made a little stack, and I just place them on the ground; there is no glue, no adhesives or anything like that, and you just kind of free stack them on top of each other, and I go up consistently," Nielsen told The Arizona Republic. He said the world...