Cultural masks found on the walls of "Yak-Su" Subway Station in Seoul. Reminds me of the city of Andong which is famous for mask-dancing. To see this and other aspects of life in Andong for Korean Christians check out this interesting video (English subtitles!) at http://manmintv.org/media_data/english/program/homestay/homestay_001_300k.asx Thanks for the link, Victor!