4 ruins in the south of the Bohemian Central Highlands with a drone

With a group of drone friends, we moved together by car between 4 ruins in the south of the Bohemian Central Mountains to test our new DJI Mavic 3 drone. It is a very rewarding area for aerial photography. The ruins of Hazmburk Castle
From the parking lot below the castle, it's a beautiful but a bit muddy walk, so wear suitable shoes. It's quite uphill, as ruins and castles tend to be, so some…