concrete is very heavy. About halfway down the curve of the dome, the weight of the structure is pushing the sides outward, creating a stress called tension. Cracks are beginning to show.

Los Angeles could have to rebuild over 30% of the city. California has fires, earthquakes, high winds and other risks. Replacing hundreds of billions in residential and commercial buildings and roads ...

Yet its survival goes beyond mere luck; it is the product of brilliant engineering that has defied centuries of wear and tear. So How Did the Pantheon’s Dome Stand the Test of Time? Let’s explore this ...