Iran�s Foreign Minister Mohammad Javad Zarif and head of Presidential Office Mohammad Nahavandian attend World Economic Forum (WEF) annual meeting in Davos, Switzerland. Davos annual meeting slated for January 20-23 to discuss various issues including migrants from the areas battered by terrorism, severe decline in oil prices, terrorist attacks in different countries and climate changes.Over 2,500 people including state leaders, non-governmental organizations and commercial institutes from around the world participate in the event.
