(BBC News) There is a growing trend for tourists to seek out poverty-blighted neighbourhoods when they go on holiday, to get a sense of real life for the poorest communities there.
An increasing number of tourists are searching for something they cannot get at the top of the Eiffel Tower in Paris or the foot of the Statue of Liberty in New York.
This controversial trend has been dubbed "slum tourism".
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Six years ago in India, Krishna Pujari and his British friend Chris Way began Reality Tours and Travel, to organise tours in Dharavi - arguably Asia's biggest slum.