Balkanski gradovi zimi se guše u smogu

epa05682562 General view of the city of Sarajevo, covered with toxic fog due to of high pollution in the city, in Sarajevo, Bosnia and Herzegovina, 19 December 2016. Due to high levels of NO2 (nitrogen dioxide), the citizens of Sarajevo are recommended to reduce their movements in the streets and to reduce car driving in the city. EPA/FEHIM DEMIR Od deset najzagađenijih gradova u Evropi pet ih je na Balkanu, navodi Svjetska zdravstvena