PHOTO: A First Look At The Rock In San Andrea...

Dwayne "The Rock" Johnson posted the following on Instagram, showing off the first image of him from the set of San Andreas…"Puttin' in a lot of hard ass work and proud to play my next role... Los Angeles Fire Department Air Squadron Rescue. Shooting starts in 4 weeks. Biggest earthquake of all time hits... SAN ANDREAS. #FirstInLastOut"