HEAD-TOHEAD PYRAMIDS
1. Great Pyramid of Cholula
Location: Cholula, Puebla, Mexico Height: 54 metres Estimated age: 1,000 years Fact: This pyramid was built in four stages and has a volume of about 4.45 million cubic metres.
2. Pyramid of Djoser
Location: Northwest of Memphis, Egypt Height: 62 metres Estimated age: 4,600 years Fact: Built for the pharaoh Djoser, this pyramid comprises six steps built in stages.
3. Ryugyong Hotel
Location: Pyongyang, North Korea Height: 330 metres Age: 28 years Fact: Although not ancient, this 105-storey skyscraper is the tallest pyramid in the world. The interior isn’t finished with no scheduled completion date.