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Each of you will know these photos. beautiful sky and a piece of wings. simply, it's time for holidays. But have you ever thought about why the wing is bent at its end? What Those Winglets on the End of Plane Wings Are For? They actually help improve the efficiency of the wing, and the whole plane and especially to save fuel.
Samsung Galaxy A5
ƒ/1.9 1/2494 3.6 mm ISO40
Explanation: