Erosion and soot deposits on ornamental stonework on a church in Bristol city centre. Masonry on historic buildings is especially vulnerable to atmosp

---

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.

---

Size: 3690px × 2480px
Photo credit: © ANDREW MCCLENAGHAN/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -, 1800s, 1867, 19th, acid, adult, anaesthesia, anaesthetic, anaesthetics, anatomical, anatomist, anatomy, anesthesia, anesthesiology, anesthetic, anesthetics, artwork, background, biochemical, biochemistry, black, black--white, buisson, camera, century, chemical, chemist, chemistry, doctor, dr, etienne, frederic, head, historical, history, human, illustration, male, man, monochrome, people, person, portrait, science, scientist, shoulders, sulfuric, sulphuric, surname, white