This seemed like a very line-y sort of image.
More lines, horizontal this time from Mount Tai (Taishan)’s stairs. This flight is smooth and regular.
Taishan, a.k.a. Mount Tai, a.k.a. Mount Taishan (this is redundant since shan means mountain, but some websites use it, including UNESCO) is a mountain that has important historic, cultural and religious significance for Chinese people. Taishan is a UNESCO World Heritage Site. Here is a Wikipedia article about it.