YOUTUBE: Generation Left Behind (2016): In parts of central China, not far from the birthplace of modern China’s founding father Mao Zedong, 80 per cent of children are growing up without their parents. Mothers and fathers leave rural villages and towns for the big city factory jobs that have helped make China an economic powerhouse. Some return briefly; some never do. So children are farmed out to grandparents or boarding schools or left to fend mostly for themselves.