Its construction took centuries, estimated between the V-IV century B.C. and the XV century, although there were long periods of inactivity in between.
The Great Wall had the function of connecting the different parts of a huge empire but mainly served to protect it during wars. Today it is the great symbol of China and one of the best civil constructions in the world.
Why the pyramids and not any other building? Because in reality the pyramids are not buildings but tombs.
The pyramids of Giza are a must if you go to Egypt, World Heritage Site and one of the seven wonders of the world, for a reason.
The aqueduct of Segovia is a symbol of the city and Spain, but we must also consider that this Roman construction of the second century was used to transport water from the spring of Fuenfría in the mountains to La Acebeda and from there to a reservoir to supply the city.
This is one of the most impressive roads in the world, located at sea level in Norway. Incredible, isn’t it? They call it “the impossible road”, one of the best civil constructions in the world.
This “dam” is between Brazil and Paraguay, also near the Argentinean city of Puerto Iguazú, and it is these two countries that share the electricity generated in this impressive work.