<p>Manchester, New Hampshire, author Dan Szczesny lived atop frozen Mount Washington for a week to do research for his book The White Mountain</a>. While there, he posted some very chilling video.</p><p>Szczesny recorded his experience from April 5-12 at the Mount Washington Observatory and posted several videos on his Facebook</a> page. This video was shot on April 7. Credit: Dan Szczesny via Storyful</p><br />