Expo Milano 2015 is the Universal Exhibition that Milan, Italy, hosts from May 1 to October 31, 2015. Over this six-month period, Milan is a global showcase where more than 140 participating countries show the best of their technology that offers a concrete answer to a vital need: being able to guarantee healthy, safe and sufficient food for everyone, while respecting the Planet and its equilibrium. In addition to the exhibitor nations, the Expo also involves international organizations, and expects to welcome over 20 million visitors to its 1.1 million square meters of exhibition area. (Source: official expo 2015 website).
This photo shows the center area between the different pavilions. Surrounding the concourse, you can see the Vietnamese, South Korean and Enel pavilions.
The panorama was taken by accredited photographers of the world expo 2015 and can therefore be published and licensed.