Tracks recorded with pgpilot on a phone. 3D: pgpilot's replay layer (elevated track, height-above-ground wall, glider, thermal cones from the app's own climb detector). Imagery: Sentinel-2 cloudless - https://s2maps.eu by EOX IT Services GmbH (Contains modified Copernicus Sentinel data 2016), CC BY 4.0. Terrain: AWS Terrain Tiles. Border: Natural Earth.