Microsoft Flight Simulator uses Blackshark.ai to generate 3d scenery buildings from interpreting patterns like shadows in the 2d photo map imagery. In most cases this works great, but occasionally there’s some weird interpretations of the imagery that generates some incredible structures.
Here’s one example south-west of Maentwrog in Wales. If you look at Google Maps of this area, there is line casting a shadow on the ground and some regularly spaced structures along the shadow. I’m guessing these are power lines and pylons. However, in the sim this is interpreted as this very impressive and incredibly large bridge to no-where structure:
Location in Volanta moving map app:
It will be interesting after the upcoming UK scenery World Update if this is still here or if it gets fixed.