Deaf artist Christine Sun Kim describes how she combines American Sign Language and musical notation systems in her drawings.

Artist and TED Fellow Christine Sun Kim, deaf since birth, talks with Daniel Kish, who lost his sight to cancer aged 13 months, about sound and sound “etiquette.”

We asked an international group of 12 artists, designers, photographers and activists to provide one image that encapsulates what inequality means to them — and to explain their selection. The results are stunning and thought-provoking. Warning: some of them might make you cry.