philippec
The brown-yellow asphalted paths are smooth (mixed) bicycle paths, not yet visible on satellite.  This area has been rebuilt.
https://www.mapillary.com/app/?pKey=DkIdHziHtTbaDQo5Iv997w&lat=51.0425628402792&lng=4.474203277655164&z=16.183118412081594&focus=map&dateFrom=2017-05-01