What did 11th-century Romanesque masons use to construct monumental groin vaults?
A. Molded concrete
B. Rubble mixed with mortar
C. Mud-brick and granite
D. Ashlar blocks joined by mortar
Answer: D
Art & Culture
A. Molded concrete
B. Rubble mixed with mortar
C. Mud-brick and granite
D. Ashlar blocks joined by mortar
Answer: D