Benny and Björn attended a press conference at the Grand Hotel in Stockholm with several cast members from Mamma Mia! Here We Go Again:  Pierce Brosnan, Stellan Starsgård, Christine Baranski, Lily James, Amanda Seyfried, Lily James, Judy Craymer and director Ol Parker.

Various footage available from the press conference itself, plus various groups of actors and, of course, Benny and Björn together:

1. Kulturbloggen
    
2. unknown source
    
3. Kino.TV (Denmark)
    
4. Nyhetsmorgon (Sweden)
   Footage broadcast on 11 July 2018 and again on 3 September 2021 (after announcement of ABBA Voyage ).
    
5. Aftonbladet (Sweden)
    
6. Globoplay  https://globoplay.globo.com/v/6889847/?utm_source=facebook&utm_medium=share-bar

Thanks to Rik Eijer c/o ABBAtalk, Laura Zuliani c/o ABBA Brasil on Facebook.
YouTube links c/o Kulturbloggen, abbaregistro news