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Switches. Flooded hallway light painting. Inside abandoned and flooded building #4 at Sycamore Canyon Test Facility
Image by slworking2
The cool lighting effects seen here were created by using a handheld flash and colored gel filters. The camera was set up on a tripod and the shutter was kept open for a couple of minutes.
Sycamore Canyon Test Facility is rocket and weapons test site located east of MCAS Miramar in northern San Diego, California. A number of weapons contractors have had facilities at this site including Lockheed-Martin, Hughes Aircraft and General Dynamics. The engines for the Atlas missile and Centaur rocket stage were tested at this site.