Castles were built in Europe in the IX-XVI centuries. It was a time of constant wars. Small wooden fortresses gradually overgrown with stone walls - inside could fit the population of the whole city. Some of them stand still.Castles were built in Europe in the IX-XVI centuries. It was a time of constant wars. Small wooden fortresses gradually overgrown with stone walls - inside could fit the population of the whole city. Some of them stand still.Castles were built in Europe in the IX-XVI centuries. It was a time of constant wars. Small wooden fortresses gradually overgrown with stone walls - inside could fit the population of the whole city. Some of them stand still.Castles were built in Europe in the IX-XVI centuries. It was a time of constant wars. Small wooden fortresses gradually overgrown with stone walls - inside could fit the population of the whole city. Some of them stand