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Thick fog due to pollution enveloped Sarajevo in Bosnia and Herzegovina for the second day in a row.
Thick fog due to pollution enveloped Sarajevo in Bosnia and Herzegovina for the second day in a row.
The Balkans are often victims of significant winter pollution caused by dependence on coal and wood for heating.
Experts warn of health risks from poor air quality, which contributes to illness and premature death.
Sarajevo is one of the cities the most polluted in Europe.
