corpses of unknown Christians
... that 17th-century churches in Germany, Austria and Switzerland spent significant amounts of money decorating the corpses of unknown Christians so that they could be worshipped as saints?
... that 17th-century churches in <a href="./Germany" id="mwB6E" rel="mw:WikiLink" title="Germany">Germany</a>, <a href="./Austria" id="mwB6I" rel="mw:WikiLink" title="Austria">Austria</a> and <a href="./Switzerland" id="mwB6M" rel="mw:WikiLink" title="Switzerland">Switzerland</a> spent significant amounts of money decorating the <b id="mwB6Q"><a href="./Catacomb_saints" id="mwB6U" rel="mw:WikiLink" title="Catacomb saints">corpses of unknown Christians</a></b> so that they could be worshipped as saints?