morning landscape on the padana plain with high pollution and humidity in the air. panorama from linzone mountain

activities air alps apennines atmosphere bergamo environment europe flat flatland fog foggy hiking hill hills humidity imagna italy land landscape linzone lombardia lombardy lowland maritime matter meadows morning mountain mountains national natural orobie outdoor ozone padan padana park particles particulate peneplain picks plain pm10 polluted pollution powder scenic sky smog smoke superb top urbanization valle valley view