The "Abba Voyage" show in London has generated over 25 billion Swedish kronor for the British economy since its May 2022 premiere, attracting more than three million attendees.Featuring hologram versions of ABBA members backed by a live band in a custom-built arena, the elaborate production draws nearly one in five visitors from outside the UK.London Mayor Sadiq Khan praised the show for boosting local restaurants and hotels, with visitors spending an average of 2,800 Swedish kronor per day beyond ticket costs.