This is not a camera malfunction, the rocks inside the cave really were this purple color.
Taken Tuesday, June 26, 2001, 11:56:18am. Original image size: 1600x1200, 1086kb
Technical details: Olympus C700UZ, 1/30s @ F4.0, ISO 200, 86mm
This is not a camera malfunction, the rocks inside the cave really were this purple color.