My short visit to Nottingham in July came at first as a relief from the unusual heat in London, but then I noticed that a palpable anxiety had taken hold since I was last there a couple of years earlier: I witnessed two people crying in the street, one of them on the phone openly discussing his mental health and political views between bursts of hysteria. Through its evocation of physical and psychological borders and, by implication, the global resurgence in nationalism and the ideological duplicity of Donald Trump’s Mexican border wall and Theresa May’s Brexit, Pia Camil’s exhibition “Split