Both Ruijin and Pingliang are located near which type of land mass?
Pingliang Pingliang () is a prefecture-level city in eastern Gansu province, China, bordering Shaanxi province to the south and east and the Ningxia Hui Autonomous Region to the north. Pingliang is well known for the nearby Kongtong Mountains, which are sacred to Taoism and location of the mythical meeting place of the Yellow Emperor and Guangchengzi, an immortal.
Nantong Nantong (; former names: Nan-t'ung, Nantung, Tongzhou, or Tungchow; Qihai dialect: ] ) is a prefecture-level city in Jiangsu province, China. Located on the northern bank of the Yangtze River, near the river mouth. Nantong is a vital river port bordering Yancheng to the north, Taizhou to the west, Suzhou and Shanghai to the south across the river, and the East China Sea to the east.