Updated:
Thick pollution fog enveloped Sarajevo in Bosnia-Herzegovina for the second day running.
Thick pollution fog enveloped Sarajevo in Bosnia-Herzegovina for the second day running.
The Balkans often suffer from severe winter pollution caused by dependence on coal and wood for heating.
Experts warn of the health risks associated with poor air quality, which contributes to illness and premature death.
Sarajevo is one of the most polluted cities in Europe and the world..
