 Quote by honestrosewater
Let's say that building 10 structures with 50-year lifespans (over 500 years) costs the same as building 1 structure with a 500-year lifespan.
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Quote by Pengwuino
The options aren't completely open really.
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Tensile-reinforced concrete structures can easily be engineered to last a mean of 500 years. The Roman Pantheon is 1,900 years old. We know how it was constructed and we know how to duplicate it.
monolithic.com/thedome/pantheon
"[...]even if the Monolithic Dome is left with no maintenance it will last for centuries[...]"
monolithic.com/pres/build_to_last