-- AFP PICTURES OF THE YEAR 2015 -- Iranian schoolgirls wave their national flag during the 36th anniversary of the Islamic revolution in Tehran's Azadi Square (Freedom Square) on February 11, 2015. President Hassan Rouhani delivered a speech saying the world needs Iran to help stabilise the troubled Middle East, in remarks pointing to wider ramifications of a deal over its disputed nuclear programme. AFP PHOTO/BEHROUZ MEHRI