In a workplace full of men, dust flies and sweat drips, but this ordinary 20-year-old woman shines alone with her baby face and dignified attitude as she maintains traffic. We heard she was considering appearing in adult videos, so we interviewed her. "There are times when I think the physical labor is tough, but when people passing by say thank you, it's rewarding." Everyone loves her for her strong sense of responsibility and mission, and her honest approach to work. We met after work...