Ceintures de Lyon
... that the construction of the Ceintures de Lyon was motivated by fear of an Austrian invasion?
... that the construction of the <b id="mwBkc"><a href="./Ceintures_de_Lyon" id="mwBkg" rel="mw:WikiLink" title="Ceintures de Lyon">Ceintures de Lyon</a></b> was motivated by fear of an Austrian invasion?