Qinling–Huaihe Line
The Qinling–Huaihe Line (Chinese: 秦岭淮河线; pinyin: Qínlǐng Huáihé Xiàn) is a reference line used by geographers to distinguish between northern and southern China, corresponding roughly to the 33rd parallel. Qinling refers to the Qin Mountains, and Huaihe refers to the Huai River.