An employee puts on a favor sign after tasting the Guangdong cuisine at a cafeteria of a high tech firm in Silicon Valley, the United States, Oct. 11, 2016. Beginning on Monday, the Tourism Administration Board of China's Guangdong Province is holding a week-long event called "Guangdong Food Festival" by taking over the cafeteria of some leading tech firms in Silicon Valley. (Xinhua/Zhang Chaoqun)