Hello,
To give some help to a friend of mine who would have liked to see on FSX an old scene what it used on FS9, I opened my "workshop scenery" and this work is a new subject on this forum, in the Scenery section.
I'd share how I should solve different problems and expose some solutions what I have use to realize this work.
A final word: it's the scenery of LFAF Laon-Chambry in Picardy 
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This scenery is not finished but will be released for 2015 ! 