I lived in the Austrian Alps for 11 years and owned a 911 so I know exactly what you are talking about. Some of the best times in my life was over there and what fantastic roads to play on, with a Porsche. Drove some of those roads you're...
Some great flying there. I am amazed that you do not lose your signal when flying inside the building. Thanks for posting. If I ever need some spare parts for a MIG, I know where to go looking now!
Incorrect, you can fly without prop guards. My Mavic 2 Pro has a setting to fly as a beginner. See if your model has the same feature too. It keeps you going slow no matter how much you push the sticks, will not let you fly higher than 50 ft and...
A much better idea is to fly well away from obstacles.
Keep away from trees, buildings, powerlines etc.
When there's nothing to hit, it's very hard to get into trouble.
You'll be fine