smog over paris city, france. foggy sunset view to the eiffel tower due high level of pollution caused by busy urban traffic

paris smog eiffel tower cityscape view aerial city skyline architecture sunset scene france urban travel street town houses horizon panorama traffic parisian transportation car busy avenue center pollution vehicle automobile air gas global transport moving crowded asphalt warming problem environment environmental concept ecology toxic fog fuel french europe heatwave mist foggy high level caused france traffic