On the ground floor of the Guggenheim Museum, a mile or so from the stadium where the Europa League final takes place on Wednesday night, they are showing a contemporary film and video exhibition, a collaboration between Basque and Italian artists.
Crowds of visitors enter the exhibition room in darkness, strangers bump into each other while they wait for the video to start, people walk into walls as they grope through the gloom and start to wonder how they will ever get out.
When the films begin, they have a nightmarish quality. A man in sunglasses, his image blurred and grainy, feints to his right again and again.