18. This is Julia Domna, wife of the Emperor Septimius Severus - they had 2 sons. a) Please give both their names? and b) tell us which son killed the other?

19. This shows Nero as a young boy.... he is wearing a talisman around his neck which was worn by all young Roman boys - what was it called?

20. The volcano behind this famous ancient Roman city erupted - a) what is the name of the volcano? b) when did it erupt?

21. Tie breaker: This lovely mosaic from the British Museum shows the Greek god Dionysos - a) by which name did the Romans know him? b) what in this mosaic tells you whether it is ancient Greek or later Roman? c)Explain in one sentence the reason behind the choice of your answer to question "b". ( think hard when you answer b) and c)!)