Pyramid
A pyramid (from Greek: "πυραμίς" – pyramis is a structure whose shape is roughly that of a pyramid in the geometric sense; that is, its outer surfaces are triangular and converge to a single point at the top. The base of a pyramid can be trilateral, quadrilateral, or any polygon shape, meaning that a pyramid has at least three outer triangular surfaces (at least four faces including the base). The square pyramid, with square base and four triangular outer surfaces, is a common version.
A pyramid's design, with the majority of the weight closer to the ground, and with the pyramidion on top means that less material higher up on the pyramid will be pushing down from above. This distribution of weight allowed early civilizations to create stable monumental structures.
Pyramids have been built by civilizations in many parts of the world. For thousands of years, the largest structures on Earth were pyramids—first the Red Pyramid in the Dashur Necropolis and then the Great Pyramid of Khufu, both of Egypt, the latter the only one of the Seven Wonders of the Ancient World still remaining. Khufu's Pyramid is built entirely of limestone, and is considered an architectural masterpiece. It contains around 1,300,000 blocks ranging in weight from 2.5 tonnes (5,500 lb) to 15 tonnes (33,000 lb) and is built on a square base with sides measuring about 230 m (755 ft), covering 13 acres. Its four sides face the four cardinal points precisely and it has an angle of 52 degrees. The original height of the Pyramid was 146.5 m (488 ft), but today it is only 137 m (455 ft) high, the 9 m (33 ft) that is missing is due to the theft of the fine quality limestone covering, or casing stones to build houses and Mosques in Cairo. It is still the tallest pyramid. The largest pyramid by volume is the Great Pyramid of Cholula, in the Mexican state of Puebla.
Ancient monuments:
Mesopotamia
Chogha Zanbil is an ancient Elamite complex in the Khuzestan province of Iran.
The Mesopotamians built the earliest pyramidal structures, called ziggurats. In ancient times, these were brightly painted. Since they were constructed of sun-dried mud-brick, little remains of them. Ziggurats were built by the Sumerians, Babylonians, Elamites, Akkadians, and Assyrians for local religions. Each ziggurat was part of a temple complex which included other buildings. The precursors of the ziggurat were raised platforms that date from the Ubaid period[3] during the fourth millennium BC. The earliest ziggurats began near the end of the Early Dynastic Period.[4] The latest Mesopotamian ziggurats date from the 6th century BC. Built in receding tiers upon a rectangular, oval, or square platform, the ziggurat was a pyramidal structure with a flat top. Sun-baked bricks made up the core of the ziggurat with facings of fired bricks on the outside. The facings were often glazed in different colors and may have had astrological significance. Kings sometimes had their names engraved on these glazed bricks. The number of tiers ranged from two to seven. It is assumed that they had shrines at the top, but there is no archaeological evidence for this and the only textual evidence is from Herodotus. Access to the shrine would have been by a series of ramps on one side of the ziggurat or by a spiral ramp from base to summit. The Mesopotamian ziggurats were not places for public worship or ceremonies. They were believed to be dwelling places for the gods and each city had its own patron god. Only priests were permitted on the ziggurat or in the rooms at its base, and it was their responsibility to care for the gods and attend to their needs. The priests were very powerful members of Sumerian society.
Egypt
The most famous pyramids are the Egyptian pyramids — huge structures built of brick or stone, some of which are among the world's largest constructions. The age of the pyramids reached its zenith at Giza in 2575-2150 B.C.[6] As of 2008, some 135 pyramids have been discovered in Egypt.[7][8] The Great Pyramid of Giza is the largest in Egypt and one of the largest in the world. Until Lincoln Cathedral was finished in AD 1311, it was the tallest building in the world. The base is over 52,600 square metres in area. While pyramids are associated with Egypt, the nation of Sudan has 220 extant pyramids, the most numerous in the world.[9]
The Great Pyramid of Giza is one of the Seven Wonders of the Ancient World. It is the only one to survive into modern times. The Ancient Egyptians covered the faces of pyramids with polished white limestone, containing great quantities of fossilized seashells.[10] Many of the facing stones have fallen or have been removed and used to build the mosques of Cairo.
The ancient pyramids of Egypt
Most pyramids are located near Cairo, with only one royal pyramid being located south of Cairo, at the Abydos temple complex. The pyramid at Abydos, Egypt were commissioned by Ahmose I who founded the 18th Dynasty and the New Kingdom.
The building of pyramids began in the 3rd Dynasty with the reign of King Djoser. Early kings such as Snefru built several pyramids, with subsequent kings adding to the number of pyramids until the end of the Middle Kingdom. The last king to build royal pyramids was Ahmose,with later kings hiding their tombs in the hills, like in the Valley of the Kings in Luxor's West Bank.
In Medinat Habu, or Deir el-Medina, smaller pyramids were built by individuals. Smaller pyramids were also built by the Nubians who ruled Egypt in the Late Period, though their pyramids had steeper sides.
Source: wikipedia.com
A pyramid's design, with the majority of the weight closer to the ground, and with the pyramidion on top means that less material higher up on the pyramid will be pushing down from above. This distribution of weight allowed early civilizations to create stable monumental structures.
Pyramids have been built by civilizations in many parts of the world. For thousands of years, the largest structures on Earth were pyramids—first the Red Pyramid in the Dashur Necropolis and then the Great Pyramid of Khufu, both of Egypt, the latter the only one of the Seven Wonders of the Ancient World still remaining. Khufu's Pyramid is built entirely of limestone, and is considered an architectural masterpiece. It contains around 1,300,000 blocks ranging in weight from 2.5 tonnes (5,500 lb) to 15 tonnes (33,000 lb) and is built on a square base with sides measuring about 230 m (755 ft), covering 13 acres. Its four sides face the four cardinal points precisely and it has an angle of 52 degrees. The original height of the Pyramid was 146.5 m (488 ft), but today it is only 137 m (455 ft) high, the 9 m (33 ft) that is missing is due to the theft of the fine quality limestone covering, or casing stones to build houses and Mosques in Cairo. It is still the tallest pyramid. The largest pyramid by volume is the Great Pyramid of Cholula, in the Mexican state of Puebla.
Ancient monuments:
Mesopotamia
Chogha Zanbil is an ancient Elamite complex in the Khuzestan province of Iran.
The Mesopotamians built the earliest pyramidal structures, called ziggurats. In ancient times, these were brightly painted. Since they were constructed of sun-dried mud-brick, little remains of them. Ziggurats were built by the Sumerians, Babylonians, Elamites, Akkadians, and Assyrians for local religions. Each ziggurat was part of a temple complex which included other buildings. The precursors of the ziggurat were raised platforms that date from the Ubaid period[3] during the fourth millennium BC. The earliest ziggurats began near the end of the Early Dynastic Period.[4] The latest Mesopotamian ziggurats date from the 6th century BC. Built in receding tiers upon a rectangular, oval, or square platform, the ziggurat was a pyramidal structure with a flat top. Sun-baked bricks made up the core of the ziggurat with facings of fired bricks on the outside. The facings were often glazed in different colors and may have had astrological significance. Kings sometimes had their names engraved on these glazed bricks. The number of tiers ranged from two to seven. It is assumed that they had shrines at the top, but there is no archaeological evidence for this and the only textual evidence is from Herodotus. Access to the shrine would have been by a series of ramps on one side of the ziggurat or by a spiral ramp from base to summit. The Mesopotamian ziggurats were not places for public worship or ceremonies. They were believed to be dwelling places for the gods and each city had its own patron god. Only priests were permitted on the ziggurat or in the rooms at its base, and it was their responsibility to care for the gods and attend to their needs. The priests were very powerful members of Sumerian society.
Egypt
The most famous pyramids are the Egyptian pyramids — huge structures built of brick or stone, some of which are among the world's largest constructions. The age of the pyramids reached its zenith at Giza in 2575-2150 B.C.[6] As of 2008, some 135 pyramids have been discovered in Egypt.[7][8] The Great Pyramid of Giza is the largest in Egypt and one of the largest in the world. Until Lincoln Cathedral was finished in AD 1311, it was the tallest building in the world. The base is over 52,600 square metres in area. While pyramids are associated with Egypt, the nation of Sudan has 220 extant pyramids, the most numerous in the world.[9]
The Great Pyramid of Giza is one of the Seven Wonders of the Ancient World. It is the only one to survive into modern times. The Ancient Egyptians covered the faces of pyramids with polished white limestone, containing great quantities of fossilized seashells.[10] Many of the facing stones have fallen or have been removed and used to build the mosques of Cairo.
The ancient pyramids of Egypt
Most pyramids are located near Cairo, with only one royal pyramid being located south of Cairo, at the Abydos temple complex. The pyramid at Abydos, Egypt were commissioned by Ahmose I who founded the 18th Dynasty and the New Kingdom.
The building of pyramids began in the 3rd Dynasty with the reign of King Djoser. Early kings such as Snefru built several pyramids, with subsequent kings adding to the number of pyramids until the end of the Middle Kingdom. The last king to build royal pyramids was Ahmose,with later kings hiding their tombs in the hills, like in the Valley of the Kings in Luxor's West Bank.
In Medinat Habu, or Deir el-Medina, smaller pyramids were built by individuals. Smaller pyramids were also built by the Nubians who ruled Egypt in the Late Period, though their pyramids had steeper sides.
Source: wikipedia.com
Pyramid
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