Guy McAfee (1888–1960) was an American law enforcement officer and mob star.
 Born in Kansas and orphaned in early childhood, he became a firefighter in Los Angeles, California and later served as the head of the vice squad of the Los Angeles Police Department.
 He was the owner of brothels and gambling saloons, with ties to organized crime in the 1930s.
 He co-founded casinos in Las Vegas, Nevada in the 1940s and 1950s.
 He named the Las Vegas Strip after the Sunset Strip.
Dennis Hof (born October 14, 1946) is an American brothel owner, entrepreneur, restaurateur and star of the HBO series .
 He is best known as the owner of seven legal brothels in Nevada.
 In the state of Nevada, prostitution's legality is determined on a county-by-county basis.
 Several of his brothels are in Moundhouse, Nevada, a few minutes outside Carson City.
 His best-known brothel is the Moonlite BunnyRanch.
Jeffrey Carl "Jeff" Rona (born March 3, 1957) is an American composer for film.
 He was a member of Hans Zimmer's "Media Ventures".
 His credits include "Sharkwater", "Traffic", "God of War III", "Phantom" and "Veeram".
Charles Ludovicus Geerts (born 1943, in Amsterdam) is one of Amsterdam's largest brothel owners.
 In 2008 he sold 17 properties for 25 million EUR of which more than half was paid by the municipality.
 "Dikke Charles" (fat Charles), sometimes called "Amsterdam's Emperor of Sex," is a legendary king of brothels that before the sales controlled over 60 window brothels in the entertainment blocks.
 Most of the window brothels are now empty and curtains hang behind the windows.
Zana Briski (born 25 October 1966) is a British photographer and filmmaker, best known for "Born into Brothels", the 2004 winner of the Academy Award for Documentary Feature, which she directed.
 She founded Kids with Cameras, a non-profit organization that teaches the art of photography to marginalized children in communities throughout the world.
 Her interest in photography began at age 10.
Sharkwater is a 2006 Canadian documentary film written and directed by Rob Stewart.
 Helping to protect sharks, changing government policy, and inspiring the creation of shark conservation groups, Sharkwater is considered one of conservation's success stories, resulting in shark finning being banned worldwide.
 In the film, Stewart filmed current attitudes about sharks, and how shark-hunting industries are driving them to extinction.
Paul Kelly (born Paolo Antonio Vaccarelli; December 23, 1876 – April 3, 1936) was an Italian immigrant who founded the Five Points Gang in New York City after starting some brothels with prize money earned in boxing.
 It was one of the last dominant street gangs in New York history; Kelly recruited young men who later became prominent criminals of the early 20th century, including Johnny Torrio, Al Capone, Lucky Luciano, Meyer Lansky, Bugsy Siegel and Frankie Yale.
 Kelly was said to support election of Democratic Tammany Hall politicians with his gang's activities at elections.
Ukiyo (浮世 , "Floating World") describes the urban lifestyle, especially the pleasure-seeking aspects, of the Edo-period Japan (1600–1867).
 The Floating World culture developed in Yoshiwara, the licensed red-light district of Edo (modern Tokyo), which was the site of many brothels, "chashitsu", and kabuki theaters frequented by Japan's growing middle class.
 A prominent author of the "ukiyo" genre was Ihara Saikaku, who wrote "The Life of an Amorous Woman".
 The "ukiyo" culture also arose in other cities such as Osaka and Kyoto.
Born into Brothels: Calcutta's Red Light Kids is a 2004 Indian-American documentary film about the children of prostitutes in Sonagachi, Kolkata's red light district.
 The widely acclaimed film, written and directed by Zana Briski and Ross Kauffman, won a string of accolades including the Academy Award for Best Documentary Feature in 2004.
The guaracha (] ) is a genre of Cuban popular music, of rapid tempo and comic or picaresque lyrics.
 The word had been used in this sense at least since the late 18th and early 19th century.
 Guarachas were played and sung in musical theatres and in low-class dance salons.
 They became an integral part of bufo comic theatre in the mid-19th century.
 During the later 19th and the early 20th century the guaracha was a favourite musical form in the brothels of Havana.
 The guaracha survives today in the repertoires of some trova musicians, conjuntos and Cuban-style big bands.

Question: Born into Brothels and Sharkwater, are of which genre?
Answer: documentary