Ovo je Srbija-This is Serbia 3

In the morning, On the 10th of Aug, I took a walk inside the kalemegdan fortress. It was continued building and breaking in the history（not sure of your meaning here. Were the walls continuous around the building? In its history has it been attacked and broken down, or broken down from time?) From In the fortress, the flat fields spread. (there exist spread out flat fields?).Japan has a lot of mountains, so it was fresh (different) for me. Sava river confluences into Danube river beneath this citadel. With When writing this article, I found out that it was the (whose? your first time?) first time to see the most famous river in Europe! In side the fortress, there were some cannons and dinosaur objects. It wasn't pretty match there... (last sentence doesn't make sense to me)