At the age of twenty-two, he was unemployed after graduation. Shen Zhixing picked up his old backpack and started climbing Mount Huangshan at night, traveling across China and the world in three and a half years. From being ignored to being followed by 100 million people - he is not an idol, just a walking man. And with this walk, I walked out of the cage, walked back to nature, and became the light in the hearts of countless young people.