The 2017 Istanbul Biennial has installed billboards around the world that pair photographs with slogans that raise questions about neighbourliness in today's society.

Based around the 15th Istanbul Biennial's theme "a good neighbour", curated by artists Elmgreen and Dragset, the International Billboard Project aims to encourage thought and dialogue on the topic.
The project is a collaboration between Swiss photographer Lukas Wassman and renown graphic designer Rupert Smyth. Beginning with the brief "unexpected encounters", the series explores the changing nature of neighbourhoods around the world.
The photographs, showing a variety of encounters between people, are paired with questions that ask what it means to be a good neighbour. Text on the boards reads "Is a good neighbour someone who has just moved in"" and "Is a good neighbour someone you don't fear"" among examples.
They are displayed in cities worldwide, including Belfast, Chicago, Moscow, Sydney, Milan and Seoul.
"The project extends the geographic reach of the biennial beyond Istanbul and spreads the concept by infiltrating the public space of other cities," the curators told Dezeen.
"We hope that it will create a moment of reflection for people when they notice the billboards, and make them think about their own neighbourhoods and themselves as neighbours," they said. "The problems that we face in the world today are for a large p...