Patching Cracks

In 1906, San Francisco suffered through an earthquake which caused enormous damage and many deaths. Among the destroyed structures was the Memorial Arch that stood in the quad of Leland Stanford University. The arch had been a very large structure, and it appeared to be quite sturdy. When the earthquake hit, the otherwise impressive monument crumbled, damaged so severely that it was necessary to tear it down entirely. Part of the reason it was necessary to tear it down was that the earthquake revealed that the arch was really quite flimsy, built mainly of unreinforced bricks and decorated with...

 
 
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