With the popularity of cycling, many cities have combined their tourism characteristics to launch themed routes. From indoor exhibitions     1     outdoor concerts and night cycling along the South Central Axis (轴), a series of activities     2     (introduce) next month so that urban residents can enjoy themselves. An official of the China Tourism Academy said, “As mass tourism grows in popularity, only high-quality outdoor tourism products can attract visitors and the integration of micro-vacation products with outdoor sports products     3     (have) a broad space for development.”