Hadrian/Constantine hunting boar and sacrificing to Apollo; Constatine Addressing the Roman people in the Roman Forum. What is the significance of the two tondi in the context of the emperor Hadrian?
1) They were part of a lost monument erected by Hadrian
2) They depict Hadrian's courage and physical prowess
3) They show Hadrian's piety and gratitude to the gods
4) They represent Hadrian's address to the Roman people