PAUL RAPSON / SCIENCE PHOTO LIBRARY PAUL RAPSON / SCIENCE PHOTO LIBRARY
Water borehole. Top section of a water borehole 137 metres below ground. The borehole consists of a vertical shaft that intercepts groundwater in a chalk aquifer. The water extracted from the borehole is chlorinated and then used in a drinking water supply. Photographed at the River Itchen Treatment Works, Gaters Mill, Southampton, UK.
Model release not required. Property release not required.