Lee Joo Sang is a photographer who captures everyday life on black-and-white film. Most of his work is printed using the gelatin silver printing, a traditional technique. He is also known as a member of Teenage Ninja Club and has been documenting the present underground scene, including skateboarding culture, mainly in Korea and Japan. 50a is a black-and-white photography book featuring 50 photographs from the exhibition that opened on January 21st.