Traffic simply stands still belching out fumes and noise.
Between them, belching and biomass burning make the second largest contribution to global warming after fossil fuel burning.
As I gaze upwards I think of tiny seats, bad food, stale air and jet engines belching noxious fumes.
Learn about comical penguins, great whales, belching seals and some of the most stunning wildlife spectacles in the natural world.
The young Rosyth Dockyard with its chimneys belching forth smoke was a hive of industry.