The last steel girder is removed from the original <a href="https://en.wikipedia.org/wiki/World_Trade_Center_site" id="mwARQ" rel="mw:WikiLink" title="World Trade Center site">World Trade Center site</a>. Cleanup duties officially end with closing ceremonies at <a href="https://en.wikipedia.org/wiki/World_Trade_Center_site" id="mwARU" rel="mw:WikiLink" title="World Trade Center site">Ground Zero</a> in <a href="https://en.wikipedia.org/wiki/Manhattan" id="mwARY" rel="mw:WikiLink" title="Manhattan">Manhattan</a>, New York City.