LEWIS HOUGHTON / SCIENCE PHOTO LIBRARY LEWIS HOUGHTON / SCIENCE PHOTO LIBRARY
Rusted metal loop projecting from a concrete block. The block is part of a sea defence in a harbour. Rusting (corrosion) is a chemical process in which iron reacts with water and oxygen to form iron (III) oxide. Salt in the seawater has accelerated the corrosion process.
Model release not required. Property release not required.