Ferschweiler Plateau
Important sites include the Fraubillen cross which was originally from the megalithic culture and , according to the missionary , Willibrord , was re-fashioned by hand from a menhir over 4 . 50 metres high , but is now only 3 . 50 metres high . 
<triplet> Fraubillen cross <subj> menhir <obj> instance of <triplet> menhir <subj> megalithic culture <obj> subclass of