NAT (North Atlantic Tracks), neboli letove cesty pres Atlantik se kazdodenne meni v zavislosti na vetrnem proudeni.
"The tracks are updated daily and their position may alter on the basis of a variety of variable factors, but predominantly due to weather systems." (wikipedia.org - vice o NATs na http://en.wikipedia.org/wiki/North_Atlantic_Tracks)
Jestli nekdo podobny s takovouhle neschopnosti prijmout fakta dela statni ekonomiku, pak uz chapu naprosto vse )
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