Search. Because the safety education of Gansu Children's Channel has opened all the permissions on Soso, you can watch the live broadcast and playback of safety education on Soso. Gansu, referred to as "Gan" or "Long" for short, is the capital of Lanzhou and the provincial administrative region of People's Republic of China (PRC) (China). It is located in the northwest of China, bordering Shaanxi in the east, Xinjiang in the west, Sichuan and Qinghai in the south and Ningxia in the north.