(From L) German Economy Minister and vice-chancellor Philipp Roesler, Bavaria's State Premier Horst Seehofer, German Chancellor Angela Merkel and German Bundestag President Norbert Lammert during prayers at a mass service to mark the resignation of Pope Benedict XVI at the St. Hedwig's Cathedral in Berlin on February 28, 2013. The mass coincides with the final hour of Benedict XVI papacy as his powers formally expire at 19:00 GMT. AFP PHOTO / ODD ANDERSEN