One-Line Sky

One-line sky or single-line sky refers to the landform of a narrow passage between huge rocks, where the sky looks like a single line. It is a word often used in China and the Chinese cultural sphere.

One-line sky is found in the following areas:
 * Huangshan, Anhui Province
 * Wuyi Mountains, Fujian Province
 * Shoushan, Kaohsiung, Taiwan