Study of perspectiveBack in the 1990s, a series of photographs by a then largely unknown Chinese artist caught the public’s eye. The series was entitled Study of Perspective. In the photographs, the artist showed his outstretched middle finger from the picture’s subjective perspective, thus linking the gesture to the symbols of power in the background, such as Beijing’s Tian’anmen Square. The middle finger, used to shift perspective, made Ai Wei Wei famous overnight and has since found numerous imitators. Now as a glass sculpture executed in six colours, his photographic-conceptual