Fredrik Johnsson and his colleagues explored the train tunnel under Varberg Municipality in Sweden

Augmented Holes – How to see underground

This article discusses a possible solution for showing underground features at Amache in AR. Such features could be pipes, conduit or other buried features.

https://www.linkedin.com/pulse/augmented-holes-how-see-under-ground-dmitri-bagh/?trackingId=JZrRBT%2BF%2B%2FXJ4%2FeF8I%2FPwg%3D%3D