The Eiffel Tower as seen through thick smog last year, when fine-particle pollution smothered several French cities including Paris.
The Eiffel Tower as seen through thick smog last year, when fine-particle pollution smothered several French cities including Paris. PATRICK KOVARIK AFP/Getty Images
The Eiffel Tower as seen through thick smog last year, when fine-particle pollution smothered several French cities including Paris. PATRICK KOVARIK AFP/Getty Images