No trespassing on entrances : 

https://www.mapillary.com/app/?pKey=2503702689823378
https://www.mapillary.com/app/?pKey=520994017565812
https://www.mapillary.com/app/?pKey=3885570628354603
And redundant C3 (even when no path) on Route de Virton : 
https://www.mapillary.com/app/?pKey=555336033615855
