It is very real. Here is the link where I snagged the photo -
http://www.airliners.net/photo/Unite...222/0652327/M/
N509UA (cn 24763/284) With LH 744 D-ABVE. The two planes appear to be touching! The 757 is on final for 28L while the 747 is for 28R. The runways are 750 ft apart, so there is still plenty of room between them. Incidentally, Lufthansa 455 is seen here returning to SFO due to an oil leak and eventual shutdown of the number 2 engine. Note rudder is deflected to the right compensating for the failed engine on the left side.
And here is another pic for you from SFO
