 Complete the following phrase:  The painting measures . It depicts Clytemnestra, mythical daughter of the Spartan queen Leda and sister of Helen of Troy, who herself became queen of ancient Mycenae. In an episode recounted in the tragic play Agamemnon by Aeschylus, the stern-faced queen is shown at the palace of Argos, shortly after she has killed her husband Agamemnon in revenge for his sacrifice of their youngest daughter Iphigenia to secure favourable winds for the journey home at the end of the 