These were the slides and videos shown in the talk …
Map of the Bay of Naples 1879 Campania
Temple of Apollo, House of Venus in a shell, Bronze statue of Faun, Plaster cast of volcano victim – Crying Boy
Herculaneum
Padre Antonio Piaggio and the Papyri Unrolling Machine for the Vatican
Richard Wilson, Lake Avernus and the island of Capri, 1760 (Tate Gallery)
Sarcophagus” 1765
Britain
… and near to Cardiff …
The talk was enjoyed by all who were there. Many thanks Stella.