Sarajevo faced severe smog on Thursday, with flights cancelled as the city's air quality index reached 225, the third highest in the world on the day.
Sarajevo faced severe smog on Thursday, with flights cancelled as the city's air quality index reached 225, the third highest in the world on the day.
By Ajay Kamalakaran
On the evening of December 31, 1999, few in Russia knew what its first president was going to say in..