Complex sentence: It includes the Royal Festival Hall, (for whose major reburbishment he is responsible), The Queen Elizabeth Hall, The Purcell Room and the Hayward Gallery, adjacent to the National Theatre, the National Film Theatre and the London Eye.
Split into simpler sentences: It includes the Royal Festival Hall, (for whose major reburbishment he is responsible), The Queen Elizabeth Hall, The Purcell Room and the Hayward Gallery. The centre is adjacent to the National Theatre, the National Film Theatre and the London Eye.