The largest performing arts festival in the world has been running for the past three weeks and has enjoyed an increase in venues and visitors compared with previous years. (Photo by Jeff J. Mitchell/Getty Images)

The largest performing arts festival in the world has been running for the past three weeks and has enjoyed an increase in venues and visitors compared with previous years. (Photo by Jeff J. Mitchell/Getty Images)

Edinburgh Festival Fringe entertainers perform on the Royal Mile as the festival enters its final weekend. The largest performing arts festival in the world has been running for the past three weeks and has enjoyed an increase in venues and visitors compared with previous years. (Photo by Jeff J. Mitchell/Getty Images)

An Edinburgh Fringe performer shows off his makeup on the Royal Mile, in the final weekend of this year's festival. (Photo by Jeff J. Mitchell/Getty Images)

Edinburgh Festival Fringe entertainers perform on the Royal Mile as the festival enters its final weekend. (Photo by Jeff J. Mitchell/Getty Images)

Edinburgh Festival Fringe entertainers perform on the Royal Mile. (Photo by Jeff J. Mitchell/Getty Images)

Edinburgh Festival acts play to the crowds on the Royal Mile, Edinburgh. (Photo by David Cheskin/PA Wire)

Actors in gas masks pose on the Royal Mile as part of Edinburgh Fringe 2014. (Photo by David Cheskin/PA Wire)

A jester gives a creepy high five to a member of the crowd on the Royal Mile. (Photo by David Cheskin/PA Wire)