TOPSHOTS An Iranian Zoroastrian watches a performance during the annual Zoroastrian Sadeh festival in the western suburb of Tehran on January 29, 2013. Sadeh, is an ancient Persian festival that is celebrated by setting a huge bonfire to honour fire and to defeat the forces of darkness, frost, and cold. Sadeh means "hundred" and refers to one hundred days and nights past the end of summer. AFP PHOTO/BEHROUZ MEHRI