From www.youtube.com - December 12, 2011 8:20 AM

Overlooking the Isaac Newton Telescope atop a volcano on the island of La Palma. Just a little taste of the pre-filming we're doing for Deep Sky Videos. Video journalist Brady Haran is blogging daily from the site. See it at http://periodicvideos.blogspot.com/2011/12/la-palma-diary-day-four.html