The agreement on the establishment of cooperation between Istočno Sarajevo and Niš should be a type of bequest to future generations to not forget the brothers on the other side of the Drina and to do everything to preserve the identity of the Serbian people, said the Mayor of Niš, Dragana Sotirovski. The agreement was signed yesterday (12 December 2022) by the Mayor of Istočno Sarajevo, Ljubiša Ćosić, and