Weicheng Town is under the administration of Guiyang City, capital of China's southwestern Guizhou Province. The area has nearly 30,000 residents, some of whom live in villages scattered around the mountains.贵阳市卫城镇是一个小镇。几个村子散落在镇子附近的山中,整个地区住着两三万人。Wang Hua is a staff member at the branch post office in Weicheng. There are about 300 letters and parcels for him to deliver on a daily basis. Usually he carries the 40 kg ma