What are the 5 largest natural harbours in the world?
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Sydney Harbour,   Sydney Australia\n\nRio de Janeiro,   Brazil \nHalifax,   Nova Scotia, Canada \nFalmouth,   Cornwall, United Kingdom \nPoole,   Dorset, United Kingdom \nCork,   Republic of Ireland\n\nI've seen these listed more than the other references I found. There are some not listed that claim on their own websites to be the largest, including \nHampton Roads in VA\n\n but ... believe who you will
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Atlantic, Pacific, Indian, Artic, and the new Southern Ocean.
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The Pacific Ocean (from the Latin name Mare Pacificum, "peaceful sea", bestowed upon it by the Portuguese explorer Ferdinand Magellan) is the world's largest body of water
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There are Five oceans: Atlantic Ocean, Pacific Ocean, Glacial Artic Ocean, Glacial Antartic Ocean, Indian Ocean ...
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the Caspian Sea ... don't be fooled by the name!\nthe reason it's called a "sea" is its size and also the fact that it's salt- and not freshwater.
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Both have been critical for trade since humans first took to the sea.  Most started as natural harbors, areas that offered protection from sea storms and weather, and then were later built up with towns funded by the trade routes.  Virtually every major city in the world has a harbor as they are essential for getting supplies into the area.
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Do you mean give you the names of places in the world that are free of air pollution?
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1. Potala Palace (Tibet)\n2. Old City of Jerusalem (Jerusalem) \n3. Polar Ice Caps (Iceland)\n4. Hawaiian National Marine monument (Hawaii)\n5. The Internet\n6. Mayan Pyramids of Chichen Itza (Mexico)\n7. The Serengeti and Masai Mara Plains, (site of the great migration) (Kenya and Tanzania)
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The Answer is 5\n\nTogo\n\nIvory Coast\n\nAngola\n\nGhana\n\nTunisia
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Greenland!\nits also the world's largest natural park!
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The world's largest lake is the salty Caspian Sea at 143,200 square miles (370,886 km2). The Caspian Sea is surrounded by Russia, Azerbaijan, Iran, Turkmenistan, and Kazakhstan.
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There are lots! Philippines comprise of 7000 plus islands, each unique on it's own.  You can really enjoy the great beaches, diving sites, white water rafting, shopping, caving, century old spanish churches...\n\nIf you like beaches:\nBoracay - Club Panoly 5*\nPalawan - El Nido 5*, Amanpolo 5*\nBohol - Bohol Beach Club 4*\nCebu - Where I grew up:Great Beaches, Great Dive site,Plenty of Mangoes(dried and fresh), dried fish, great shopping, historical sites, shell crafts...  \n\nShangrilla Hotel 5*\nPlantation Bay 5*\nHilton 4*\nWaterfront Hotel 4*\nMarriotte Hotel 4*\nGolden Peak Condotel 3*\nSarrosa Hotel3*
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Cliffs, spits , salt marshes.
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http://wonderclub.com/AllWorldWonders.html\nthis website also has some good information on the seven wonders of....\n\naccording to this site:\nhttp://www.infoplease.com/ipa/A0001327.html\n\nthe seven wonders of the ancient world are:\n\nThe Pyramids of Egypt \nThe Hanging Gardens of Babylon \nThe Statue of Zeus (Jupiter) \nThe Temple of Artemis (Diana) \nThe Mausoleum at Halicarnassus \nThe Colossus at Rhodes \nThe Pharos (Lighthouse) of Alexandria\n\n\nand the seven wonders of the modern world are:\n\nEmpire State Building\nItaipu Dam\nCN Tower\nPanama Canal\nChannel Tunnel\nNorth Sea Protection Works\nThe Golden Gate Bridge
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Pakistan  \nPalau  \nPalmyra Atoll  \nPanama  \nPapua New Guinea  \nParacel Islands  \nParaguay  \nPeru  \nPhilippines  \nPitcairn Islands  \nPoland  \nPortugal  \nPuerto Rico
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There are five oceans: Pacific, Atlantic, Arctic, Indian, and Southern.
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size.\n\n\nOceans (from Ὠκεανός Okeanos in Greek, the ancient Greeks noticing the strong current that flowed off Gibraltar and assuming it was a great river) cover almost three quarters (71%) of the surface of the Earth, and nearly half of the world's marine waters are over 3,000 meters (9,800 ft) deep. The area of the oceans is 361 million sq. km.\n\nThis global, interconnected body of salt water, called the World Ocean, is generally divided by the continents and archipelagos into the following bodies, from the largest to the smallest: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Southern Ocean, and the Arctic Ocean.\n\nSmaller regions of the oceans are called seas, gulfs, straits and other names.\n\nA sea is a large expanse of saline water connected with an ocean, or a large, usually saline, lake that lacks a natural outlet such as the Caspian Sea and the Dead Sea. The term is used colloquially as synonymous with ocean, as in the tropical sea or down to the sea shore, or even sea water referring to water of the ocean. Large lakes are sometimes referred to as inland seas, such as the Great Lakes. Many seas are marginal seas, in which currents are caused by ocean winds; others are mediterranean seas, in which currents are caused by differences in salinity and temperature.\n\nhttp://www.iho.shom.fr/PUBLICATIONS/download.htm