I was moved and shaken by Crystal Pite’s Flight Pattern when I first saw it in 2017. In richly visualised imagery, it proposed two ways of interpreting the horrific footage of the refugee crisis of 2016: either as a matter of anonymous, voiceless masses, portrayed as a body of dancers moving across the stage like a skein of migrating swallows beyond reason or control; or as a ragtag of desperate, furious individuals with every dignity and possession taken from them – somebody’s husband or wife, somebody’s daughter or son, fighting for survival – a plight conveyed in the impassioned dancing...