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 | The entire area is the Air and Tenere Natural Reserve in Niger. The overlay image shows some solid circles cover up several Precambrian volcano craters. The weird thing is a huge " ring gap" cuts through the Air Mountains , just like a vestige of a cup presses into sand upside down.
Geologists say that the 63km-length diameter ring is called " ring dike",al... |  | 12/04/2008 | 330 | 
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 | Ring for testing vagons |  | 03/18/2006 | 260 | 



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 | Wandlebury Ring was an iron age hill-fort and much of the defensive earthworks remain. |  | 09/09/2005 | 198 | 



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 | Chanctonbury Ring (known as Chanklebury in Sussex dialect) is a hill fort based ring of trees atop Chanctonbury Hill on the South Downs, on the border of the civil parishes of Washington and Wiston in the English county of West Sussex. A ridgeway, now part of the South Downs Way, runs along the hill.
http://en.wikipedia.org/wiki/Chanctonbury_Ring |  | 11/03/2009 | 9 | 



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 | Castle Ring is a 7.75 ha. Iron Age hill fort high up on the southern edge of Cannock Chase. Apart from the perimeter earthworks, little remains visible, and today the monument is a shadow of its former self. |  | 10/16/2005 | 213 | 



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 | This ring is huge (3.320m = 10.895ft.) in diameter but not very well kept and partly being taken over by the sprawling mega-city.
It once was probably in the countryside as the area east of it, but the city is approaching |  | 08/21/2005 | 370 | 



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 | Gotland Ring is a premium racetrack and multi-functional motorsport facility on the Swedish island of Gotland, the most popular tourist resort in Sweden.
The circuit - designed by the founder Alec Arho Havrén - will be FIA-inspected for international racing Q2 2009. However, corporate edutainment and testing is the main focus even in the future. In its final format - with a main ... |  | 04/12/2009 | 185 | 



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 | Lahore Ring Road is a chain of crossroads to maximize the traffic flow without waiting at cross points. |  | 08/25/2006 | 2,613 | 



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 | The Giant's Ring is a most impressive earthwork, over 200 metres in diameter, surrounded by a bank of gravel and boulders, which has five entrances.
Near the centre is a megalithic chamber with a single capstone, suggesting a Stone Age date of around 3000 B.C. The original purpose of this site was probably as a meeting place or a cult centre. |  | 01/24/2006 | 793 | 



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 | Here you see a ring transit shed for locomatives in Krefeld, Germany. |  | 08/31/2006 | 172 | 



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 | The famously named "Ring Nebula" is located in the northern constellation of Lyra, and also catalogued as Messier 57, M57 or NGC 6720. It is one of the most prominent examples of the deep-sky objects called planetary nebulae (singular, planetary nebula), often abbreviated by astronomers as simply planetaries or PN.
http://en.wikipedia.org/wiki/Ring_Nebula |  | 01/10/2009 | 149 | 
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 | West of Wolgograd, former Stalingrad, is the German cemetery Rossoshka with around 50,000 fallen German soldiers from the Battle of Stalingrad or from POW camps.
The cemetery contains of the old trapez-shaped gravesite with 600 soldiers made by the German Wehrmacht during the battle of Stalingrad. To the right is the giant mass grave with names of 24,427 on the ring around it. Th... |  | 08/29/2009 | 53 | 



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