Pictures of Sarajevo 15 years ago and today show how the city has changed British refugee worker Jim Marshall stayed in the city to help its desperate residents during the bloody siege of Sarajevo 15 years ago. He documented the daily destruction he saw. Now he has photographed Sarajevo again to show how the city has transformed itself. The Unis towers, now named the Unitic Business Centre, in 1996 and today Picture: Jim Marshall / Barcroft Media