During the Bosnian War of 1992-95, the city of Sarajevo was under siege by the Serbian army for a period of 44 months —the longest siege of a capital city in the history of modern warfare. It is estimated that an average of 330 shells hit the city every day, leaving craters all over the streets and on the sidewalks. After the war was over, many of these craters, especially those explosions that have resulted in deaths of civilians, were filled with resin and painted bloody red in honor of the blood that was spilled. Because of their characteristic floral shapes, these resin-filled craters are bitterly called Sarajevo Roses.

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