Restrictions:
The copyright holder and owner of the site granted permission to distribute his photos under the CC BY SA 3.0 licence. However, this permission does not extend to files where:
the "editor" is set to '편집국' (Editorial team),
the article's category is '뉴스' (News),
even if the article is not classified as '뉴스' some photos may be non-watermarked non-acrofan 3rd party materials (these will credited inside the article),