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Vortex Photography - Duncan Monk: Hungarian Air Force AN-26 Curl 406
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Vortex Photography - Duncan Monk: Slovak Mi-17 Hip 0846
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Vortex Photography - Duncan Monk: Czech MI-17 0837
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Vortex Photography - Duncan Monk: Rear end of USAF B-52H 61-0008/BD TF33 Engine
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Vortex Photography - Duncan Monk: Slovak Air Force Mi-17 Hip 0846_