Ponijeri
A combination picture shows a minaret of a mosque as smog blankets the village of Ponijeri, Bosnia and Herzegovina December 26, 2015 and at the same place January 12, 2016. (Dado Ruvic/Reuters)
Zmajevac
A combination picture shows minaret of a mosque as smog blankets Zmajevac near Sarajevo, Bosnia and Herzegovina December 27, 2015 and at the same place January 12, 2016. (Dado Ruvic/Reuters)
Sarajevo
A combination picture shows a Sarajevo TV tower as smog blankets Sarajevo, Bosnia and Herzegovina December 28, 2015 and at the same place January 12, 2016. (Dado Ruvic/Reuters)
Sarajevo
A combination picture shows a pedestrian bridge as smog blankets Sarajevo, Bosnia and Herzegovina December 23, 2015 and at the same place January 12, 2016. (Dado Ruvic/Reuters)
Sarajevo
A combination picture shows a Sarajevo TV tower as smog blankets Sarajevo, Bosnia and Herzegovina December 28, 2015 and at the same place January 12, 2016. (Dado Ruvich/Reuters)
Sarajevo
A combination picture shows women wearing masks as smog blankets Sarajevo, Bosnia and Herzegovina December 23, 2015 and at the same place January 12, 2016. (Dado Ruvich/Reuters)