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The Seven Wonders of the World

Various lists of the Wonders of the World have been compiled from antiquity to the present day, to catalogue the world's most spectacular natural wonders and manmade structures.
The Seven Wonders of the Ancient World is the first known list of the most remarkable creations of classical antiquity, and was based on guide-books popular among Hellenic sight-seers and only includes works located around the Mediterranean rim. The number seven was chosen because the Greeks believed it to be the representation of perfection and plenty. Many similar lists have been made.

The historian Herodotus (484 – ca. 425 BCE), and the scholar Callimachus of Cyrene (ca. 305 – 240 BCE) at the Museum of Alexandria, made early lists of seven wonders but their writings have not survived, except as references. The seven wonders included:
Great Pyramid of Giza
Hanging Gardens of Babylon
Statue of Zeus at Olympia
Temple of Artemis at Ephesus
Mausoleum of Maussollos at Halicarnassus
Colossus of Rhodes
Lighthouse of Alexandria

1. Great Pyramid of Giza
The Great Pyramid of Giza (also called the Pyramid of Khufu and the Pyramid of Cheops) is the oldest and largest of the three pyramids in the Giza Necropolis bordering what is now El Giza, Egypt. It is the oldest of the Seven Wonders of the Ancient World, and the only one to remain largely intact. Egyptologists believe that the pyramid was built as a tomb for fourth dynasty Egyptian Pharaoh Khufu (Cheops in Greek) over an approximately 20 year period concluding around 2560 BC. Initially at 146.5 metres (480.6 ft), the Great Pyramid was the tallest man-made structure in the world for over 3,800 years, the longest period of time ever held for such a record. Originally, the Great Pyramid was covered by casing stones that formed a smooth outer surface; what is seen today is the underlying core structure. Some of the casing stones that once covered the structure can still be seen around the base. There have been varying scientific and alternative theories about the Great Pyramid's construction techniques. Most accepted construction hypotheses are based on the idea that it was built by moving huge stones from a quarry and dragging and lifting them into place.


2.Hanging Gardens of Babylon
The Hanging Gardens of Babylon are considered to be one of the original Seven Wonders of the Ancient World. They were built in the ancient city-state of Babylon, near present-day Al Hillah, Babil, in Iraq. They are sometimes called the Hanging Gardens of Semiramis (in reference to the legendary Queen Semiramis).
The gardens were supposedly built by the Babylonian king Nebuchadnezzar II around 600 BC. He is reported to have constructed the gardens to please his homesick wife, Amytis of Media, who longed for the trees and fragrant plants of her homeland. The gardens were destroyed by several earthquakes after the 2nd century BC.
The lush Hanging Gardens are extensively documented by Greek historians such as Strabo and Diodorus Siculus. Through the ages, the location may have been confused with gardens that existed at Nineveh, since tablets from there clearly show gardens. Writings on these tablets describe the possible use of something similar to an Archimedes screw as a process of raising the water to the required height. Nebuchadnezzar II also used massive slabs of stone, which was unheard of in Babylon, to prevent the water from eroding the ground.


3.Statue of Zeus at Olympia
The Statue of Zeus at Olympia was made by the Greek sculptor Phidias, circa 432 BC on the site where it was erected in the Temple of Zeus, Olympia, Greece.
The seated statue, some 12 meters (43 feet) tall, occupied half of the width of the aisle of the temple built to house it. "It seems that if Zeus were to stand up," the geographer Strabo noted early in the 1st century BC, "he would unroof the temple." The Zeus was a chryselephantine sculpture, made of ivory and gold-plated bronze. No copy in marble or bronze has survived, though there are recognizable but approximate versions on coins of nearby Elis and on Roman coins and engraved gems. A very detailed description of the sculpture and its throne was recorded by the traveler Pausanias, in the 2nd century AD. The sculpture was wreathed with shoots of olive worked in gold and seated on a magnificent throne of cedarwood, inlaid with ivory, gold, ebony, and precious stones. In Zeus' right hand there was a small statue of crowned Nike, goddess of victory, also chryselephantine, and in his left hand, a sceptre inlaid with gold, on which an eagle perched. Plutarch, in his Life of the Roman general Aemilius Paulus, records that the victor over Macedon, when he beheld the statue, “was moved to his soul, as if he had seen the god in person,” while the 1st century AD Greek orator Dio Chrysostom declared that a single glimpse of the statue would make a man forget all his earthly troubles


4.Temple of Artemis at Ephesus.
The Temple of Artemis also known less precisely as the Temple of Diana, was a Greek temple dedicated to a goddess Greeks identified as Artemis and was one of the Seven Wonders of the Ancient World. It was situated at Ephesus (near the modern town of Selçuk in present-day Turkey), and was completely rebuilt three times before its eventual destruction in 401. Only foundations and sculptural fragments of the latest of the temples at the site remain.
The first sanctuary (temenos) antedated the Ionic immigration by many years, and dates to the Bronze Age. Callimachus, in his Hymn to Artemis, attributed it to the Amazons. In the seventh century the old temple was destroyed by a flood. Its reconstruction began around 550 BC, under the Cretan architect Chersiphron and his son Metagenes, at the expense of Croesus of Lydia: the project took some 120 years to complete, only to be destroyed in an act of arson by a young arsonist seeking fame named Herostratus. It was later rebuilt.

5.Mausoleum of Halicarnassus
The Mausoleum at Halicarnassus or Tomb of Mausolus[1] (in Greek, Μαυσωλεῖον τῆς Ἁλικαρνασσοῦ) was a tomb built between 353 and 350 BC at Halicarnassus (present Bodrum, Turkey) for Mausolus, a satrap in the Persian Empire, and Artemisia II of Caria, his wife and sister. The structure was designed by the Greek architects Satyros and Pythius of Priene.
The Mausoleum stood approximately 45 m (148 ft) in height, and each of the four sides was adorned with sculptural reliefs created by each one of four Greek sculptors — Leochares, Bryaxis, Scopas of Paros and Timotheus.[4] The finished structure was considered to be such an aesthetic triumph that Antipater of Sidon identified it as one of his Seven Wonders of the Ancient World.
The word mausoleum has now come to be used generically for any grand tomb.

6.Colossus of Rhodes
The Colossus of Rhodes was a statue of the Greek Titan Helios, erected in the city of Rhodes on the Greek island of Rhodes by Chares of Lindos between 292 and 280 BC. It is considered one of the Seven Wonders of the Ancient World. It was constructed to celebrate Rhodes' victory over the ruler of Cyprus, Antigonus I Monophthalmus, who unsuccessfully besieged Rhodes in 305 BC. Before its destruction, the Colossus of Rhodes stood over 30 meters (107 ft) high, making it one of the tallest statues of the ancient world.
Ancient accounts, which differ to some degree, describe the structure as being built with iron tie bars to which brass plates were fixed to form the skin. The interior of the structure, which stood on a 15-meter- (50-foot-) high white marble pedestal near the Mandraki harbor entrance, was then filled with stone blocks as construction progressed.[4] Other sources place the Colossus on a breakwater in the harbor.

The statue itself was over 30 meters (107 ft) tall. Much of the iron and bronze was reforged from the various weapons Demetrius's army left behind, and the abandoned second siege tower was used for scaffolding around the lower levels during construction. Upper portions were built with the use of a large earthen ramp. During the building, workers would pile mounds of dirt on the sides of the colossus. Upon completion all of the dirt was removed and the colossus was left to stand alone. After twelve years, in 280 BC, the statue was completed. Preserved in Greek anthologies of poetry is what is believed to be the genuine dedication text for the Colossus

7.Lighthouse of Alexandria
The Lighthouse of Alexandria, also known as the Pharos of Alexandria (in Ancient Greek, ὁ Φάρος Ἀλεξανδρινóς), was a tower built between 280 and 247 BC on the island of Pharos at Alexandria, Egypt. Its purpose was to guide sailors into the harbour at night time.
With a height variously estimated at somewhere in-between 393 and 450 ft (120 and 140 m), it was for many centuries among the tallest manmade structures on Earth. It was one of the Seven Wonders of the Ancient World.

The lighthouse was completed in the 3rd century BC. After Alexander the Great died of a fever at age 32, Ptolemy Soter announced himself king in 305 BC, and commissioned its construction shortly thereafter. The building was finished during his son Ptolemy Philadelphos's reign.
Strabo reported that Sostratus had a dedication inscribed in metal letters to the "Saviour Gods". Later Pliny the Elder wrote that Sostratus was the architect, which is disputed.  In the second century AD the satirist Lucian wrote that Sostratus inscribed his name under plaster bearing the name of Ptolemy.
The fullest description of the lighthouse comes from the Arab traveller Abou Haggag Youssef Ibn el-Andaloussi, who visited the structure in 1165 AD. His description runs:

The Pharos rises at the end of the island. The building is square, about 8.5 metres (28 ft) each side. The sea surrounds the Pharos except on the east and south sides. This platform measures, along its sides, from the tip, down to the foot of the Pharos walls, 6.5 metres (21 ft) in height. However, on the sea side, it is larger because of the construction and is steeply inclined like the side of a mountain. As the height of the platform increases towards the walls of the Pharos its width narrows until it arrives at the measurements above. ... The doorway to the Pharos is high up. A ramp about 183 metres (600 ft) long used to lead up to it. This ramp rests on a series of curved arches; my companion got beneath one of the arches and stretched out his arms but he was not able to reach the sides. There are 16 of these arches, each gradually getting higher until the doorway is reached, the last one being especially high. Wikipedia