HBO Promotes Game of Thrones Via Giant Wall Painting in London

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It's safe to say the Game of Thrones Season 4 promotional machine is off and running.

Last night, HBO unveiled a new promo for the epic, which returns April 6 with new blood-soaked, nudity-filled, vengeance-based episodes.

Now, we've uncovered photos of a 700-foot 3D painting of The Wall on a London street, one that is both trippy and totally awesome.

It was unveiled this morning in anticipation of Game of Thrones Season 3 hitting DVD tomorrow. Toggle through some very cool photos here:

Instead of buying the DVD, meanwhile, you can watch Game of Thrones online at TV Fanatic.

Sit back and enjoy right now!

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.