Chinese Deputy Consul General in San Francisco Zha Liyou (R) talks with San Francisco Public Library City Librarian Luis Herrera (C) during the opening ceremony of the photo exhibition "Silk Road - A New Look" at the San Francisco Public Library, April 27, 2016. Jointly hosted by Chinese Consulate in San Francisco and San Francisco Public Library, the photo exhibition opened here on Wednesday and will last for 3 months. [Photo/Xinhua]