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.
Rupat Rupat is an island in the Strait of Malacca, and forms part of Bengkalis Regency within Riau Province of Indonesia. It lies just off the eastern coast of Sumatra, across from Dumai city, from which it is separated by the Strait of Rupat ("Selat Rupat"). Its area is 1,490  km². With a population of 43,570 at the 2010 Census, the island is sparsely populated, with a population density of 29¼ per km². Rupat was one of thousands of abandoned islands, but now the population is growing year after year. It makes them expand the area for the settlement.