Return to Granite: 400 million years and counting A celebration and launch of the Granite Elements 2017 programme 20-01-17-granite-elements-relaunch_a-knott Dimensions: 3888 × 2592 Taken: January 20, 2017 Aperture 4 Camera Canon EOS 1000D Focal Length 18mm Shutter Speed 1/60 ISO 400
