Although I wasn't able to establish the link conclusively, I think dda's map of the nearby "AZF Explosion crater" explains why this area of Toulouse, France was abandoned:
http://virtualglobetrotting.com/map/33017/
The National Explosives Factory of Braqueville, overgrown with vegetation
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© Google Maps
By Pdunn @ 2007-07-07 10:36:40
dda
@ 2007-07-07 13:26:45
It's the old "National Explosives Factory of Braqueville". Activity ceased in 1978. But still a property of ministry of defense.
Anonymous
@ 2019-12-07 16:09:49
Whatever was here, is long gone. New buildings are here - 2019