Hundreds of people gather at a mosque in northern Tehran to pray for rain, with Iran gripped by one of its worst droughts in decades. Rainfall in the capital has this year been at its lowest level in a century, local officials say, and half of Iran's provinces have not seen a drop fall in months. Interested in licensing this video ? Get in touch 👉 http://u.afp.com/wvnD N.B.: AFP’s services and content are for professional use only