Watersports pornography features sexual activities involving urine, such as golden showers. It may be regarded as taboo or unnatural, and is a criminal offense in some countries, punishable by corporal or capital punishment; by contrast, people also regard anal sex as a natural and valid form of sexual activity that may be as equally fulfilling as any other desired sexual expression. It like associating every Christian with the zealots who cause 3d hentai religious wars. 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. One or more of the participants may engage in autoerotic sexual activity, such as masturbation, possibly without physical contact with the other participants. There is young gay porn also some evidence that pornography can be used to treat voyeurism. Lesbianism has been a theme in erotic art since at least the time of ancient Rome, and many regard depictions of lesbianism to be erotic. Since at least 1973, it has also been used to refer to a sexually attractive young woman. Bisexual pornography momsex is a genre of pornography which most typically depicts one woman and two men who all perform sex acts on each other. It is suggested that much of the obscurity and the uncertainties about female ejaculation are related to mixing up these two phenomena. Participants usually derive pleasure from this, even though many of the practices—such as inflicting pain or humiliation or being restrained—would be unpleasant under other circumstances. The speed of the hand motion will vary from person to person, although it is not uncommon for the speed to increase as ejaculation nears and for it to decrease during the ejaculation itself. Twink pornography features younger performers, and usually features young men under 30 who identify as gay or bisexual. Rough sex pornography is similar to pornography featuring sadomasochism, and typically features a Top who humiliates and/or degrades a Bottom while being physically violent towards them.