Chinese Minister of Culture Cai Wu demonstrates water calligraphy on the ground during his visit to the China pavilion of the 2014 Smithsonian Folklife Festival on the National Mall in Washington on Saturday morning. Cai is paying a visit to Mexico and the US, where he discussed with US officials on Friday about the upcoming 5th China-US High-level Consultation on People-to-People Exchange. He will also go to Los Angeles to address the World Affairs Council. [Chen Weihua/China Daily]