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. ^[1]

One-Line Sky is found in the following areas:

• Huangshan, Anhui Province
• Wuyi Mountains, Fujian Province
• Shoushan, Kaohsiung, Taiwan

etc.

References

1. One-Line Sky: A Landform Often Seen in the Mountains (Baidu Encyclopedia) (Chinese)