French President Francois Hollande, accompanied by French Ecology Minister Segolene Royal (L) and United Nations Secretary General Ban Ki-moon (2ndl), welcomes Vice President of Iran Masoumeh Ebtekar as she arrives for the opening day of the World Climate Change Conference 2015 (COP21) at Le Bourget, near Paris, France, November 30, 2015. [Photo/Agencies]