A piece of chip developed by Chinese firm is on display during the ongoing Big Data Expo 2016 in Guiyang, capital of Southwest China's Guizhou province, May 25, 2016. The five-day event kicked off on Wednesday, with the participation of more than 300 enterprises, including Baidu, Alibaba, Tencent, Huawei, Intel, Qualcomm, and other leading companies on the digital domain. A number of high-tech products based on data analysis will be showcased at the expo. [Photo/Xinhua]