Krnov and observation towers in the vicinity

The goal of our next trip was the town of Krnov and its surroundings, where there are three interesting observation towers and the ruins of a medieval castle.
The town of Krnov was founded roughly in the middle of the 13th century at the confluence of the Opava and Opavice rivers and is located on the very Czech-Polish border in the Jeseníky foothills. Important families took part in its development: first the Przemysl family, then the Hohenzollern family, and last but not least...