What is a "Midnight Sun"?

Something interesting happens at the most northern and souther portions of our globe thanks to the axis of the Earth. Facebook: https://www.facebook.com/geographyhub/ Twitter: https://twitter.com/geographyhub Music by Sam Kuzel and Cadre Crimson https://soundcloud.com/samkuzel https://soundcloud.com/cadrecrimson Photo Credits Polar-Night Longyearbyen: Bjørn Christian Tørrissen Nordkinnhalvoya-polar-night: Algkalv Morketidettermiddag: Osopolar