I knew what the video was about as soon as I saw the title. That little rock is part of the national curriculum here.<br><br>Didn't expect there to be an actual check, though.<br><br>Incidentally, it's not quite true that the Arctic circle determines midnight sun or noon darkness. The atmosphere causes enough refraction that the midnight sun reaches a bit further south, and it does light up at noon even in the height of winter a bit further north. That band reaches onto the main part of Iceland - albeit not as far south as Akureyri.