Ultra-Orthodox Jews light the fifth Hanukkah candle during the Jewish holiday of Hanukkah in Jerusalem's Mea Shearim neighbourhood, on Dec. 3, 2013. Hanukkah, also known as the Festival of Lights, is one of the most important Jewish holidays and celebrated by Jews worldwide during eight days to commemorate the rededication of the Holy Temple in Jerusalem at the time of the Maccabean Revolt of the 2nd century BC. Photo by Saeed Qaq