To celebrate the disgrace that the Blu-ray edition of Star Wars is going to be, Lucasfilm has transformed the BT Tower in London into a lightsaber. Yes, it looks cool. No, it wouldn’t make the Blu-ray changes suck any less.
https://gizmodo.com/george-lucas-confirms-more-impossibly-dumb-changes-on-b-5836756
The 581-foot lightsaber changes color between the classic blue, green and red laser colors from the original movies.
[Thanks John!]