03 June 2015, Milan - UN Garden - One of the most important spaces of the UN Itinerary is the UN Garden. A green area where visitors will be introduced to the theme "The Zero Hunger Challenge ?United for a sustainable world" and to the field work of the United Nations agencies in humanitarian emergencies and in development programmes. The United Nations is present with 18 multimedia installations, easily recognizable by their giant blue spoons. These UN Spaces are located in various areas of the site along the UN itinerary. You can join our challenge and make the UN itinerary more interactive and educational by playing "Get to Zero", which is available for free for Android and iOS. Find the QRCode on the UN spaces to play. , FAO Milano Expo.