Royal Opera House, London Incredible physical facility is married to expressive lyricism in this triple bill by the Royal Ballet’s ever adventurous resident choreographer. You never know what’s coming next Choreographer Wayne McGregor has a reputation for making dance that is hugely impressive but sometimes on the cold side. His experiments in AI , for example: totally fascinating for the mind, arguably less engaging for the soul. But the triple bill Alchemies – two existing works and one world