The Hanging Gardens of Babylon
The Hanging Gardens of Babylon evoke a romantic picture of lush greenery and colorful flowers cascading from the sky. The grandeur of their sight must have been awe-inspiring, which is why Herodotus would have considered them one of his 7 Wonders of the Ancient World. However, not only are the Hanging Gardens of Babylon not standing today, but their entire existence is debated. Because of the lack of documentation of them in the chronicles of Babylonian history, many doubt they were ever there. They may have been merely a figment of ancient imaginations, a story to be told in the annals of ancient myth and history.
In ancient writings the Hanging Gardens of Babylon were first described by Berossus, a Chaldaean priest who lived in the late 4th century BC. In his book Babyloniaca, written around 280 BC, he describes the gardens and attributes them to the great Babylonian king Nebuchadnezzar II. Many other Greek historians went on to provide detailed descriptions of the gardens, citing either Berossus' work, or from accounts of other ancients.
According to these ancient sources, Nebuchadnezzar had the Hanging Gardens built around 600 BC for his wife Amytis. Amytis was originally from Media, and had married Nebuchadnezzar in an arrangement to further political ambitions, which was not uncommon for the time. Amyitis was homesick for her verdant and mountainous home, and quite depressed living in the flat and arid Babylon. Thus an elaborate garden was constructed to replicate her lush homeland and cheer her up.
The Hanging Gardens did not actually hang at all. They were made up of a simulated mountain with rooftop gardens. They would have likely been multi-level terraces supported by baked brick columns. These columns would have been filled with dirt to allow large plantings and trees to root and grow. The effect of the plants hanging down over the years likely gave the effect of a lush mountain landscape, seemingly hanging in mid-air. It would have been spectacular to behold.
Recent archaeological excavations of the palace in Iraq have uncovered evidence of a building with vaults and a well (for irrigation?) nearby. However, the location of the palace complex contradicts where Greek historians placed the Hanging Gardens, which was on the banks of the Euphrates River. The palace excavations are simply too far away. There is promising news, though. There have been recent excavations on the banks of the Euphrates River of some substantial 25 meter-thick walls. Could these have been part of the Hanging Gardens of Babylon?
Though some believe that the Hanging Gardens never existed, it is not outside of the realm of possibility that they were real. The technology of the time would have allowed for their construction. That does not explain the lack of contemporary documentation, however. But why would later historians spend so much time describing this masterpiece of ancient history if it did not exist in at least some physical form?
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Some stories indicate the Hanging Gardens towered hundreds of feet into the air, but archaeological explorations indicate a more modest, but still impressive, height. (Copyright Lee Krystek, 1998)
The city of Babylon, under King Nebuchadnezzar II, must have been a wonder to the ancient traveler's eyes. "In addition to its size," wrote Herodotus, a Greek historian in 450 BC, "Babylon surpasses in splendor any city in the known world."
Herodotus claimed the outer walls were 56 miles in length, 80 feet thick and 320 feet high. Wide enough, he said, to allow two four-horse chariots to pass each other. The city also had inner walls which were "not so thick as the first, but hardly less strong." Inside these double walls were fortresses and temples containing immense statues of solid gold. Rising above the city was the famous Tower of Babel, a temple to the god Marduk, that seemed to reach to the heavens.
While archaeological excavations have disputed some of Herodotus's claims (the outer walls seem to be only 10 miles long and not nearly as high) his narrative does give us a sense of how awesome the features of the city appeared to those ancients that visited it. Strangely, however, one of the city's most spectacular sites is not even mentioned by Herodotus: The Hanging Gardens of Babylon, one of the Seven Wonders of the Ancient World.
Gift for A Homesick Wife
Accounts indicate that the garden was built by King Nebuchadnezzar, who ruled the city for 43 years starting in 605 BC (There is an alternative story that the gardens were built by the Assyrian Queen Semiramis during her five year reign starting in 810 BC). This was the height of the city's power and influence and King Nebuchadnezzar is known to have constructed an astonishing array of temples, streets, palaces and walls.
According to accounts, the gardens were built to cheer up Nebuchadnezzar's homesick wife, Amyitis. Amyitis, daughter of the king of the Medes, was married to Nebuchadnezzar to create an alliance between the two nations. The land she came from, though, was green, rugged and mountainous, and she found the flat, sun-baked terrain of Mesopotamia depressing. The king decided to relieve her depression by recreating her homeland through the building of an artificial mountain with rooftop gardens.
The Hanging Gardens were said to have been built to please King Nebuchadnezzar's wife, Amyitis. (Copyright Lee Krystek, 2010)
The Hanging Gardens probably did not really "hang" in the sense of being suspended from cables or ropes. The name comes from an inexact translation of the Greek word kremastos, or the Latin word pensilis, which means not just "hanging", but "overhanging" as in the case of a terrace or balcony.
The Greek geographer Strabo, who described the gardens in first century BC, wrote, "It consists of vaulted terraces raised one above another, and resting upon cube-shaped pillars. These are hollow and filled with earth to allow trees of the largest size to be planted. The pillars, the vaults, and terraces are constructed of baked brick and asphalt."
"The ascent to the highest story is by stairs, and at their side are water engines, by means of which persons, appointed expressly for the purpose, are continually employed in raising water from the Euphrates into the garden."
The Water Problem
Strabo touches on what, to the ancients, was probably the most amazing part of the garden. Babylon rarely received rain and for the garden to survive, it would have had to been irrigated by using water from the nearby Euphrates River. That meant lifting the water far into the air so it could flow down through the terraces, watering the plants at each level. This was an immense task given the lack of modern engines and pressure pumps in the fifth century B.C.. One of the solutions the designers of the garden may have used to move the water, however, was a "chain pump."
A chain pump is two large wheels, one above the other, connected by a chain. On the chain are hung buckets. Below the bottom wheel is a pool with the water source. As the wheel is turned, the buckets dip into the pool and pick up water. The chain then lifts them to the upper wheel, where the buckets are tipped and dumped into an upper pool. The chain then carries the empty buckets back down to be refilled.
The pool at the top of the gardens could then be released by gates into channels which acted as artificial streams to water the gardens. The pump wheel below was attached to a shaft and a handle. By turning the handle, slaves provided the power to run the contraption.
An alternate method of getting the water to the top of the gardens might have been a screw pump. This device looks like a trough with one end in the lower pool from which the water is taken with the other end overhanging an upper pool to which the water is being lifted. Fitting tightly into the trough is a long screw. As the screw is turned, water is caught between the blades of the screw and forced upwards. When it reaches the top, it falls into the upper pool.
Turning the screw can be done by a hand crank. A different design of screw pump mounts the screw inside a tube, which takes the place of the trough. In this case the tube and screw turn together to carry the water upward.
Screw pumps are very efficient ways of moving water and a number of engineers have speculated that they were used in the Hanging Gardens. Strabo even makes a reference in his narrative of the garden that might be taken as a description of such a pump. One problem with this theory, however, is that there seems to be little evidence that the screw pump was around before the Greek engineer Archimedes of Syracuse supposedly invented it around 250 B.C., more than 300 years later.
Construction of the garden wasn't only complicated by getting the water up to the top, but also by having to avoid having the liquid ruining the foundations once it was released. Since stone was difficult to get on the Mesopotamian plain, most of the architecture in Babel utilized brick. The bricks were composed of clay mixed with chopped straw and baked in the sun. These were then joined with bitumen, a slimy substance, which acted as a mortar. Unfortunately, because of the materials they were made of, the bricks quickly dissolved when soaked with water. For most buildings in Babel this wasn't a problem because rain was so rare. However, the gardens were continually exposed to irrigation and the foundation had to be protected.
Diodorus Siculus, a Greek historian, stated that the platforms on which the garden stood consisted of huge slabs of stone (otherwise unheard of in Babel), covered with layers of reed, asphalt and tiles. Over this was put "a covering with sheets of lead, that the wet which drenched through the earth might not rot the foundation. Upon all these was laid earth of a convenient depth, sufficient for the growth of the greatest trees. When the soil was laid even and smooth, it was planted with all sorts of trees, which both for greatness and beauty might delight the spectators."
How big were the gardens? Diodorus tells us they were about 400 feet wide by 400 feet long and more than 80 feet high. Other accounts indicate the height was equal to the outer city walls, walls that Herodotus said were 320 feet high. In any case the gardens were an amazing sight: A green, leafy, artificial mountain rising off the plain.
Were the Hanging Gardens Actually in Nineveh?
But did they actually exist? Some historians argue that the gardens were only a fictional creation because they do not appear in a list of Babylonian monuments composed during that period. It is also a possibility they were mixed up with another set of gardens built by King Sennacherib in the city of Nineveh around 700 B.C..
An interpretation of the gardens by the 16th century Dutch artist Martin Heemskerck.
Stephanie Dalley, an Oxford University Assyriologist, thinks that earlier sources were translated incorrectly putting the gardens about 350 miles south of their actual location at Nineveh. King Sennacherib left a number of records describing a luxurious set of gardens he'd built there in conjunction with an extensive irrigation system. In contrast Nebuchadrezzar makes no mention of gardens in his list of accomplishments at Babylon. Dalley also argues that the name "Babylon" which means "Gate of the Gods" was a title that could be applied to several Mesopotamian cities. Sennacherib apparently renamed his city gates after gods suggesting that he wished Nineveh to be considered "a Babylon" too, creating confusion.
Is it possible that Greek scholars who wrote the accounts about the Babylon site several centuries later confused these two different locations? If the gardens really were in Babylon, can the remains be found to prove their existance?
These were probably some of the questions that occurred to German archaeologist Robert Koldewey in 1899. For centuries the ancient city of Babel had been nothing but a mound of muddy debris never explored by scientists. Though unlike many ancient locations, the city's position was well-known, nothing visible remained of its architecture. Koldewey dug on the Babel site for some fourteen years and unearthed many of its features including the outer walls, inner walls, foundation of the Tower of Babel, Nebuchadnezzar's palaces and the wide processional roadway which passed through the heart of the city.
While excavating the Southern Citadel, Koldewey discovered a basement with fourteen large rooms with stone arch ceilings. Ancient records indicated that only two locations in the city had made use of stone, the north wall of the Northern Citadel, and the Hanging Gardens. The north wall of the Northern Citadel had already been found and had, indeed, contained stone. This made Koldewey think that he had found the cellar of the gardens.
He continued exploring the area and discovered many of the features reported by Diodorus. Finally, a room was unearthed with three large, strange holes in the floor. Koldewey concluded this had been the location of the chain pumps that raised the water to the garden's roof.
While Koldewey was convinced he'd found the gardens, some modern archaeologists call his discovery into question, arguing that this location is too far from the river to have been irrigated with the amount of water that would have been required. Also, tablets recently found at the site suggest that the location was used for administrative and storage purposes, not as a pleasure garden.
If they did exist, what happened to the gardens? There is a report that they were destroyed by an earthquake in the second century B.C.. If so, the jumbled remains, mostly made of mud-brick, probably slowly eroded away with the infrequent rains.
Whatever the fate of the gardens were, we can only wonder if Queen Amyitis was happy with her fantastic present, or if she continued to pine for the green mountains of her distant homeland.
The Mysterious Wonder of the Ancient
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