Both Ruijin and Pingliang are located near which type of land mass?
Ruijin Ruijin () is a county-level city of Ganzhou in the mountains bordering Fujian Province in south-eastern Jiangxi.
Taichung Basin Taichung Basin () is located in the central region of western Taiwan. It occupies some parts of Taichung City, Nantou County and Changhua County. It faces the Choshui River on the south; the hill lands of Nantou on the east; Tatu Plateau on the northwest; and Pakua Plateau on the southwest. A notch connecting Taichung Basin to the seacoast of Taichung City is located between two plateaus.