 [roller coaster]
[roller coaster]  Katun is a steel inverted roller coaster at the Mirabilandia Amusement Park, Savio, outside Ravenna, Italy. It`s the longest inverted roller coaster in Europe, and it is considered to be one of Bolliger & Mabillard finest. The coaster stands 164 feet tall and has a track length of 3937 feet, a top speed of 65 mph and six in...
Found on 
http://en.wikipedia.org/wiki/Katun_(roller_coaster)

(from the article `Altai Mountains`) As a result of these differential geologic forces, the highest ridges in the contemporary Altainotably the Katun, North (Severo) Chu, and the South ...
Found on 
http://www.britannica.com/eb/a-z/k/15

(from the article `Altai Mountains`) The Altai proper and the Mongolian Altai are crisscrossed by a network of turbulent, rapid rivers fed mainly by melted snow and summer rains, which ... The Ob proper is formed by the junction of the Biya and Katun rivers, in the foothills of the Siberian sector of the Altai, from which it has a ... ...
Found on 
http://www.britannica.com/eb/a-z/k/16
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