Where on earth was this picture taken?
The first person to guess the wider location correctly wins a copy of the latest Free Radical magazine. And the first person to guess the precise location wins a year's subscription to The Free Radical. (Hint: what large project do you think those diggers are working on?)
UPDATE: Three prizes for three correct and blindingly fast answers. The answer, grasshopper, is on the back of those jackets we're wearing.
Congratulations to Justin, MikeE and Crog. Your magazines will be out to you shortly. :-)