The first of the Great Pyramids, the Step Pyramid, was built in 3700 B.C. The last pyramids in Egypt were built between 1800-1700 B.C.
2700b.c-2500b.c
The Parthenon was built in the 5th century BC. The Coliseum was built around 70 or 72 AD, making the Parthenon the older by around nearly 600 years.
2979 AD. 2979 AD.
The Pyramid of Giza was built on 2560 BC. Mexico's Pyramid of the Sun was built on 100 AD. There is a difference of more than 2600 years among both pyramids.
bc
The Aztecs and Mayans, among others, built many pyramids in Mexico and Central America. The largest is the Great Pyramid of Cholula, built by the Aztecs during the period 200 BC to 1600 AD. In volume it is larger than the Great Pyramid of Egypt.
Mayans
Great Wall of China
Depends on the size of the pyramid to be built. The great pyramid of Khufu at Giza for example, was built in 20 years. The whole Giza complex was built over a period of 80 years. Later pyramids were built from mud brick cased in stone could have been knocked up in a few years.
The Mayans
nothing when the pyramids were broken into in the 9th century AD they found to be empty
The Zhaozhou Bridge, also known as the Great Stone Bridge, the Anji Bridge, and the Safe Crossing Bridge, was built in Hopeh (Hebei) province, China, between 595 and 605 AD, during the Sui Dynasty (589-618 AD).