From the Great Pyramid of Giza to the Statue of Liberty, experts investigate some of the world’s most extraordinary monuments. What engineering techniques were used to build these iconic megastructures, and what secrets do they conceal?
Overview：From the Great Pyramid of Giza to the Statue of Liberty, experts investigate some of the world’s most extraordinary monuments. What engineering techniques were used to build these iconic megastructures, and what secrets do they conceal?
