Dr. Yang was invited to craft a book chapter discussing big data applications in monitoring tourist flows using GIS. Working together with Dr. Dong Li at China Academy of Urban Planning and Design, Dr. Yang applied various geo-visualization and spatial statistical tools to better understand tourist behavior from the Chinese Weibo data (akin to Twitter data) during the Golden week. Dr. Li programmed to capture abundant information from Weibo users, especially the geo-coded origin and destination attributes, and Dr. Yang applied the analytic tools to decipher the spatial-temporal flow patterns via this valuable big data source.