self-made aircraft, Red Bull Flugtag Russia 2013 competition. 自製飛機

A participant attempts to control his craft during the Red Bull Flugtag Russia 2013 competition on the outskirts of Moscow. Enthusiasts attempted to fly the longest distance in self-made aircraft during the competition. (Maxim Shemetov/Reuters)

A participant attempts to control his craft during the Red Bull Flugtag Russia 2013 competition. (Maxim Shemetov/Reuters)

 A part of the craft from the Global Point team from St. Petersburg is seen after landing in the water during the Red Bull Flugtag Russia 2013 competition. (Maxim Shemetov/Reuters
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