At Frieze London, FT arts journalist Griselda Murray Brown witnesses an ‘intervention’ in the ladies’ bathrooms and a performance by robots. Curator Raphael Gygax explains what these not-for-sale works add to the atmosphere of the art fair<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
