Since Don Giovanni was implicitly critical of the aristocracy, Mozart and da Ponte danced quickly to stay one step

When examining Lorenzetti's fresco Allegory of Good Government (Fig. 13.3) in Siena's Palazzo Pubblico, what aspects of civil life can be identified?

What will be an ideal response?

The intersection of two barrel vaults creates which of the following?

a. Groin vault b. Pendentive c. Buttress d. Rib vault