Homeless people give an alternative guide to London

Hazel Wilding (left) and Viv Askeland (centre left) host an Unseen Tour. Photograph: Graham Turner for the Guardian On a squally August evening near London Bridge two tour guides are taking a group of tourists on an unconventional walking tour of the capital. The pair have long and chaotic histories of homelessness, so in addition to the usual tourist attractions, they share with their audience glimpses of their street life.