sentences:  One of the photographs from this series was used as the cover art for Tom Waits' album "Rain Dogs".Petersen's first book "Gröna Lund" (Green Grove), which was published in 1973, is set in the amusement park of Gröna Lund situated on an island.In 1970 Petersen co-founded SAFTRA, the Stockholm group of photographers, with Kenneth Gustavsson.