a grey poplar in Amsterdam
... that a grey poplar in Amsterdam is "the tree that saw it all"?
... that <b id="mwAng"><a href="./De_Boom_Die_Alles_Zag" id="mwAnk" rel="mw:WikiLink" title="De Boom Die Alles Zag">a grey poplar in Amsterdam</a></b> is "the tree that saw it all"?