Pope Benedict XVI, left, shakes hands with Hilarion Alfeyev, Metropolitan of Volokolamsk, chairman of the Department of External Church Relations and permanent member of the Holy Synod of the Patriarchate of Moscow, prior to a concert dedicated to the pontiff by Patriarch Kirill I of Moscow, in the hall Paul VI at the Vatican, Friday, May 20, 2010.
Pope Benedict XVI arrives to listen to a concert in his honor offered by Russia's Orthodox Patriarch Kirill in Paul VI hall at the Vatican May 20, 2010.