LANZHOU, China, Nov. 22 (Xinhua) — After hiking along mountain roads for three kilometers, 32-year-old Jiang Heng and his wife took a rest under a tree. They planned to set up tents after another two kilometers tour ahead of them.
Jiang and his wife live in Lanzhou City in northwest China’s Gansu Province. More people like Jiang and his wife have been hiking in the city’s suburbs to exercise and enjoy the scene