Francesco Pisano (first from right), director of the UN Library in Geneva, and Ma Zhaoxu (second from right), head of the Chinese mission to the United Nations in Geneva, attend the inauguration of the exhibition "Beautiful China, Picturesque Zhejiang" in Geneva, Switzerland, on April 19, 2017. The exhibition was held here on Wednesday as part of the activities marking the 2017 United Nations Chinese Language Day. [Photo/Xinhua]