German Chancellor Angela Merkel (3rd R) delivers a speech, accompanied by Berlin Mayor Klaus Wowereit (2nd R) and German Agriculture Minister Ilse Aigner (1st R) at the opening ceremony of International Green Week in Berlin, Germany, Jan. 18, 2013. International Green Week is the biggest fair for food, agriculture and horticulture in the world. A total of 1,630 exhibitors from 67 countries and regions attended the exhibition which will last until Jan. 27. (Xinhua/Ma Ning)
