An almost-abstract spiral pattern is revealed by looking straight down the circular stairwell of the old Point Loma lighthouse.
Date: December 26, 2006
Time: 1:53 p.m. PST
Location: Cabrillo National Monument, California
Camera: Kodak Z650 Zoom Digital on fixed tripod
ISO setting: 160
Focal length: 6 mm
Aperture: f/2.8
Exposure time: 1/10 second