Time Taken to Build World Monuments

by Writersroom Boardwalk: Travel

The Great Wall of China required over 2,000 years to construct. Sagrada Família has been under construction for more than 140 years. Petra was built in approximately 100 years. Machu Picchu took about 30 years to complete. Angkor Wat required roughly 30 years to build. The Taj Mahal was constructed over a period of 22 years. Sydney Opera House took 14 years to finish. Big Ben's construction lasted 13 years.