What I have been thinking about for quite some time and what I want to do is to map my surroundings and search for the hiding places and shelters that can be used in a case a storm is chasing me. For example it would be useful for biking. When you see or hear a storm in the distance or just thunderclouds itīs good to know where to hide and that the shelter can actually protect you from the lightning. Especially if you happen to be far from home. Being close to your bike let alone riding it in the storm is suicide. So I think having the markings of "stormproof" shelters (bridges, ...) in the map would be very useful. And not just for biking.