Yang Lin, a 10-year-old child from the Dulong River valley in southwestern China. Yang Lin lives in the northernmost village in the valley, where, Until mid-2017, the only way to get in and out of the village had been sliding on this metal cable. He had been crossing the river by himself when going to school and when coming back home, with his father supervising from one of the river banks. Two years ago a beautiful rainbow bridge has been built, and now the villagers can cross safely and easily