Artist Charles Newington and Plymouth Hoe

Here's a photo of the artist, Charles Newington, with Plymouth Hoe in the background, on 6th December 2013. But why is he in Plymouth? The clues are there and all will be revealed...eventually!
Meanwhile, here's an interesting read:
http://plymouthlocalhistory.blogspot.co.uk/2009/03/gog-and-magog.html