“速度不慢不快,心情自由自在,骑行中国,我们一起来!”5年前,当我们唱着这首歌一路飞驰,从北国骑往南方时,很有一种“播撒骑行种子”的使命感。如今,当我们看到,祖国大地骑行队伍迅速扩张,骑行活动风起云涌的情景,成就感也油然而生。当下的中国,更需要自行车来充当绿色的使者,希望有更多的人加入我们的队伍。本期专稿介绍了第四届北京自行车文化节的情况。今年的文化节有“文化性、专业性、 ”The speed is not slow and unhappy, I feel free, riding China, we come together!“ 5 years ago, when we sing this song all the way to speeding, riding from the North to the South, there is a kind of Seed ”sense of mission. Today, as we have seen, the rapid expansion of the riding race in the motherland and the surge in riding activities have given rise to a sense of accomplishment. Nowadays, China needs bicycles to serve as ambassadors for green, hoping more people will join us. This issue of Zhuangao introduced the fourth Beijing Bike Festival. This year’s festival has "cultural, professional,