Some people's hobbies can be a little obsessive - or in this case can lead to something greater.
Turkish collector Gokhan Sarigol opened his huge collection of model aircraft to the public at the world's largest museum of its kind.
His passion sparked while growing up near Istanbul's international airport where he would watch planes all day.
Watch the video to find out more.
WATCH: See the next generation of planes with flapping wing-tips
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