I had a similar experience, but in the tropics, where this changes seasonally in the same place! I got over it, and like to think I've improved my self-navigat

I had a similar experience, but in the tropics, where this changes seasonally in the same place! I got over it, and like to think I've improved my self-navigation. But it's possible I've just deemphasized shadow perception, and might be worse off back where I first developed the skills...