A man walks along an empty street in Jerusalem during the Jewish holiday of Yom Kippur on Sept. 26.

Israelis ride bikes on an empty motorway during Yom Kippur in Tel Aviv, on Sept. 26.

Bosnian Grand Mufti Mustafa Ceric prays in the former German Nazi death camp of Auschwitz-Birkenau on February 1, 2011. A large number of Muslim dignitaries are visiting Auschwitz to pay tribute to the millions of Jews and others who were systematically killed during the Holocaust -- a visit made to fight anti-Semitism and bridge cultural rifts.