Question: In which city besides Seattle was there a peep show establishment where Erika Langley worked as a dancer?

Context paragraphs:
Peep and the Big Wide World: Peep and the Big Wide World is an animated children's television series created by Canadian Animator Kaj Pindal and based on the 1988 short film "Peep and the Big Wide World" produced by the National Film Board of Canada, which itself is based on the 1962 short film "The Peep Show", also produced by the National Film Board of Canada.  The series premiered on December 31, 2003, on Discovery Kids and on TLC as part of their "Ready Set Learn" children's block, and on the same day on TVOKids and PBS Kids.  It was produced by WGBH Boston and 9 Story Entertainment, in association with TVOntario and Discovery Kids.

Harvey Danger: Harvey Danger was an American alternative rock band that was formed in Seattle, Washington in 1993 by journalism students at the University of Washington.  The band rose to prominence in 1998 with the single "Flagpole Sitta", which was later used as the theme tune to the British sitcom "Peep Show".  On August 29, 2009, the band played its final show at the Crocodile Cafe in Seattle.

Erika Langley: Erika Langley is an American photojournalist and writer.  Born in Arlington, Virginia, she has been based in Seattle, Washington since 1992.  She worked from 1992 to 2004 as dancer at the Lusty Lady, a peep show in Seattle.  Her 1997 book, "The Lusty Lady: Photographs and Texts" combined memoir, photographs, and sections about several of her co-workers there.

Allahabad Smart City Project: An MoU was signed on 25 January 2015 between the United States Trade and Development Agency and the Government of Uttar Pradesh for developing Allahabad as a smart city.  The pact came into existence after the bilateral meeting between the Indian Prime Minister Narendra Modi and the US President Barack Obama in October 2014, wherein it was announced that the US would assist India in developing three smart cities, Allahabad, Ajmer and Visakhapatnam, in a boost to India's 100 smart city programme.  On 27 August 2015 the official list of 98 cities to be developed as smart cities, including Allahabad, was announced by the Government of India.  Allahabad Task Force was set up by the Minister of Urban Development Venkaiah Naidu which consists of Divisional Commissioner (Chairman), Secretaries of Town and Country Planning and Municipal Affairs, Government of Uttar Pradesh, District Magistrate, Vice-Chairman, Allahabad Development Authority, Mayor of the city besides Additional Secretary(Urban Development), Government of India and representatives of Ministry of External Affairs and USTDA.  The project is being assisted by the U.S.-India Business Council.

Rayok: A rayok (Russian: раёк ; ] , "small paradise") was a Russian fairground peep show.  Performed using a box with pictures viewed through magnifying lenses, these were accompanied by lewd rhymed jokes.  "The Fall of Adam and Eve" was one of the most popular topics.  The term rayok has also come to be applied to rhymed humorous talk shows, without peeping, featuring a kind of rhymed prose.  The expression "to talk rayok," говорить райком, thus means to speak in a rhymed, humorous way, to patter.  Rayok, in both its peep show and talk show forms, has been an occupation of wandering artists called "rayoshniks."  When used as the title for a piece of music, rayok implies a scurrilous entertainment, as in:

Peep show: A peep show or peepshow is an exhibition of pictures, objects or people viewed through a small hole or magnifying glass.  Though historically a peep show was a form of entertainment provided by wandering showmen, nowadays it more commonly refers to a presentation of a sex show or pornographic film which is viewed through a viewing slot.

2006 Israeli reserve soldiers' protest: The 2006 Israeli reserve soldiers' protest was a protest movement which called for the resignation of the government and the establishment of a state commission of inquiry (the highest form of inquiry commission in Israel, equivalent to a royal commission) into what they argued were crucial failures experienced during the 2006 Israel-Lebanon conflict.  From late August to early October 2006, some of its followers were stationed in a tent city besides the Israeli government building, and several large demonstrations were carried out to protest against the conduct of the government before, during, and after the war.

Peep Show (TV series): Peep Show is a British sitcom starring David Mitchell and Robert Webb.  The television programme is written by Jesse Armstrong and Sam Bain, with additional material by Mitchell and Webb, among others.  It was broadcast on Channel 4 from 2003 until 2015.  In 2010 it became the longest-running comedy in Channel 4 history in terms of years on air; however, Desmond's still holds the records for most episodes (71 versus Peep Show's 54).

Porto: Porto (] ; also known as Oporto in English) is the second-largest city in Portugal after Lisbon and one of the major urban areas of the Iberian Peninsula.  The urban area of Porto, which extends beyond the administrative limits of the city, has a population of 2.4 million in an area of 389 km2 , making it the second-largest urban area in Portugal.  It is recognized as a gamma+ level global city by the Globalization and World Cities (GaWC) Study Group, the only Portuguese city besides Lisbon to be recognised as a global city.

Lusty Lady: The Lusty Lady is the name of two now-defunct peep show establishments, one in downtown Seattle and one in the North Beach district of San Francisco.  The Lusty Lady was made famous by the labor activism of its San Francisco workers and the publication of several books about working there.

Supporting paragraphs: Erika Langley Lusty Lady
Answer: San Francisco