Rabbi Shmuel Segal of the Jewish education centre looks up at the Chanukkah lights in front of Brandenburg Gate in Berlin, December 20, 2011. Chanukkah, also known as the Festival of Lights, is an eight-day Jewish holiday commemorating the re-dedication of the Holy Temple (the Second Temple) in Jerusalem at the time of the Maccabean Revolt of the 2nd century BCE. Hanukkah is observed for eight nights and days, starting on the 25th day of Kislev according to the Hebrew calendar, which may occur at any time from late November to late December in the Gregorian calendar. AFP PHOTO / ODD ANDERSEN (Photo credit should read ODD ANDERSEN/AFP/Getty Images)