A 75-year-old grandfather became a beauty influencer to raise money for his grandson with a rare disease, saying he did so out of love for his only daughter.Zhu Yunchang, from eastern China’s Jiangsu province, looks after his nine-year-old grandson Cao Jingyan during the day and live‑streams at night.Zhu usually live‑streams until midnight, and his wife stays up to keep him company.Zhu is doing this to raise money for Jingyan’s treatment in the form of injections, which cost around 1.4...