Among its definitions by the Oxford English Dictionary, alongside ‘a strip of material worn round the collar‘ and ‘a game in which the scores are level’, ties is defined as ‘a thing that unites or links people’. It is this third definition that can be best used to describe the exhibitions, artworks and people that feature in this edition of The Thin Air’s Picture This. In Dublin we see the latest show by Willie Doherty which discusses the unified history of two separate places and how this, via the 1916 Rising and later republicanism, has now become part of the…