Carne y Arena review - dazzling virtual reality exhibit offers a fresh look at the refugee crisis

Birdman director Alejandro Gonzilez Inirritu's latest project is an innovative and immersive account of the horrors faced at the Mexico-US border

Related: The Day After review - Hong Sang-soo's boozy comedy is diverting but slight

So - the envelope is pushed a little further, the limits of cinema questioned a little harder, the rectangular perimeter fence of the movie screen challenged a little bit more confidently.