Most of us will have enjoyed 'people watching' at some point - as we waited for a bus or sipped a cuppa in a cafe - wondering about strangers who walk past - where they've been, where they're going and what their story is.
There's now an almost virtual version of this proving popular on social media - with one of the most popular being Model Strangers on Instagram.
Photo: Christopher Ward
Belfast based Street photographer Chris Ward attracted 800k followers by simply walking up to people and asking to take their photograph. Chris Ward joins us from Paris.
Photo: Christopher Ward