Kohei Yoshiyuki

was a Japanese photographer whose work included "Kōen" (, Park), photographs of people at night in sexual activities in parks in Tokyo. Prints from ''The Park'' are held in the collections of the Museum of Modern Art and Metropolitan Museum of Art, New York; San Francisco Museum of Modern Art (SFMOMA); Museum of Contemporary Photography, Chicago; and Museum of Fine Arts, Houston. Examples from the series were included in the exhibition ''Exposed: Voyeurism, Surveillance and the Camera'' at Tate Modern, SFMOMA and the Walker Art Center. Provided by Wikipedia