two projects in Saxony, Germany, 1997: Ozone plume of the city of Leipzig...
photo Willi Fuchs, MetAir

...some power plants in the surroundings (probably Boehlen)...
photo Willi Fuchs, MetAir

... and a flybye near the measuring station Fichtelberg, documenting trans-boundary transport
of sulfur dioxide and hydrocarbons during winter 1997.
photo Willi Fuchs, MetAir