Masturbation has been depicted in art since prehistoric times and is mentioned and discussed in very early writings. The current record is held by Lisa Sparks who had sex with 919 men on October 16, 2004 in Warsaw, Poland as part of the Third Annual World Gangbang Championship and Eroticon 2004. Transsexual pornography features transwomen performers, who typically have male genitalia and augmented female breasts . Group sex is sexual behavior involving more than two participants. This may relate to fetishes such as voyeurism or cuckolding. It may involve sexual attraction to women who are pregnant or appear pregnant, attraction to lactation, or attraction to particular stages of pregnancy 3d hentai such as impregnation or childbirth. In the 1970s, the hardcore pornography genre introduced the stereotypical cumshot scene as a central element of the hardcore film, in which the male actor ejaculates in a way ensuring maximum visibility of the act itself. Sometimes special furniture is used, such as a queening stool or smotherbox. Bobbi S. After the prerequisite level of sexual stimulation has been achieved, and ejaculation becomes lesbian milfs imminent, the male will position his penis so that the semen discharged will be deposited onto his partner face. Watersports pornography features sexual activities young gay porn involving urine, such as golden showers. Interracial pornographic films have experienced an explosion in popularity, becoming one of the fastest-growing and biggest-selling genres. Pegging is a sexual practice in which a woman performs anal sex on a man by penetrating the man anus with a strap-on dildo. By Japanese law, the genitals of actors and actresses must be censored and up the mid-1990 so was the depiction of pubic hair. The stigma of being gay or labeled as such has steadily eroded since the Stonewall riots began the modern American gay rights movement in 1969. Reflective of its views on sexuality and culture, Japanese pornography delves into a wide spectrum of heterosexual, homosexual, and transgender sexual acts in addition to unique fetishes and philias.