5100: Pentagon was created in collaboration with Anso Kristiansen under Artistic Direction by Young In Hong. The contemporary flashmob performance was created for the 2014 Gwangju Bienale. Sarah Louise travelled to South Korea to teach the flashmob to participating members of the community. The piece was an emotional response to photographic material relating to the Gwangju uprising and many victims and their family members participated in the ongoing rehearsals and performances.
The piece was last performed as part of Block Universe in London, UK in June 2017.