ANDREW MCCLENAGHAN / SCIENCE PHOTO LIBRARY. ANDREW MCCLENAGHAN / SCIENCE PHOTO LIBRARY.
Erosion and soot deposits on ornamental stonework on a church in Bristol city centre. Masonry on historic buildings is especially vulnerable to atmospheric pollution; the cumulative effects of acid etching due to the build-up of sulphur dioxide (and other acid-forming gases) in the atmosphere from the combustion of fossil fuels are particularly damaging.
Model release not required. Property release not required.