. https://aviation.report/Resources/Whitepapers/6da07bc1-2bde-45b8-9eb6-b09b55303577_aircraft-wings.pdf
When men decided that they wanted to emulate birds and fly, the first idea that sprung to mind was to copy them. Having put their minds to designing these contraptions that would take them up into the sky, the first thing that those pioneers noticed was how they used their wings as an element that set them apart from all other living beings. Indeed, wings were the first element to be designed. And they are still there today. DOWNLOAD