Location Edit > 100m
Title of the Wayspot: bunker de siracourt
Real Location: 50.374451/2.2688446
You can see below that the portal is a plate on the side of the road (next to a new parking).
The portal has been created at the wrong place, in addition it is now a closed (with fences) area because of the danger due to the age of the structure.
Photos to support your claim:
Portal image :
Street view :
Portal position VS Real position ("R" pin) :
Distance between false and real position.