Waldspirale
...that none of the more than 1000 windows in the Waldspirale residential complex in Darmstadt, Germany are identical?
...that none of the more than 1000 windows in the <b id="mwzg"><a href="./Waldspirale" id="mwzw" rel="mw:WikiLink" title="Waldspirale">Waldspirale</a></b> residential complex <i id="mw0A">(pictured)</i> in <a href="./Darmstadt" id="mw0Q" rel="mw:WikiLink" title="Darmstadt">Darmstadt</a>, <a href="./Germany" id="mw0g" rel="mw:WikiLink" title="Germany">Germany</a> are identical?