If production were thinking about going to Luxembourg, why not go to Germany which is cheaper, easier to produce since they've been there before, has similar visuals, and is easier to get into and out of especially if they're going
to Africa somewhere farfetched on leg 3?
The Black Forest would be nice this time of year

eta: SPEC for Germany
Phil:
AB 3547 KEF TXL 0040 0605
AB 6577 TXL FRA 0850 1005 (though legitimately Phil can get to every major Germany city by 1030)
teams:
LH 857 KEF FRA 1435 2005, and then they can take a train or drive to wherever overnight and start leg 2 on Oct 4.