Zhang Xueying trains at a gym in North China's Tianjin Municipality, Feb. 13, 2017. Zhang, 48, is known for her dedication to fitness and impressive muscles. While the oldest participant, she won recently the championship in a fitness competition for amateurs. For 13 years, Zhang has jogged five kilometers and finished a 20-minute workout with equipment before going to work in a power plant every workday. [Photo/VCG]