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15 years in total
It took 15 years to build the Parthenon. However it took 22,000 tons of marble to build it, not 20,000. Main answer = Parthenon
Parthenon
It took 15 years to build the Parthenon and the person who oversaw the Parthenon during the building was Pericles.
280 people at any given time.
hs2 will take 15 years to build
it took 15 years to build the terracotta army
about 15 years
approx. 15 years
15
It took about 15 years to build a regular Maya temple.
15 to 16 years. That is a long time!!!