Xinhua: The 75th International Green Week in Berlin, the world’s largest agricultural and food fair opened doors to the public Friday. Some 1,600 exhibitors from 56 countries will show visitors their best agriculture products, livestock, farm machines, garden tools and newly-developed technologies. Organizers of the fair were expected to receive 400,000 people over the next 10 days, with Hungary as this year’s guest of honor. Various sample foods and drinks, traditional and modern, …