industry, air pollution, tyrol
industry, technology, environment
heavy water factory, chemical disaster exercise, calamity
sky, clouds, landscape
concepts, garbage, pollution
tilt, stub, cigarette
dead bird, safety net, spirit network
conflict, ecology, environment
garbage, nature, trash
dead earth, earth, space
power plant, industry, flames
concepts, garbage, pollution
smog, stopsmog, air pollution
city, air pollution, air