A frugal food-delivery worker in China who has saved 1.12 million yuan (US$160,000) over the past five years has won admiration online. Zhang Xueqiang, 25, came to Shanghai to take up the delivery job with a major platform in 2020. His move came after a breakfast shop operated by him and his friend in his hometown of Zhangzhou, Fujian province, southeastern China, closed down, leaving him 50,000 yuan (US$7,000) in debt. At the end of November, Zhang released a video on social media showing that...