(This Nov. 28, 2011 file photo shows Pope Benedict XVI leaving after a special audience he granted to members of the \"Sister Nature\" foundation, in the Pope Paul VI hall, at the Vatican, Monday, Nov. 28, 2011. On Monday, Feb. 11, 2013 the Vatican announced that Pope Benedict XVI will resign on Feb. 28, 2013. (AP Photo/Andrew Medichini, files))