Answer:
I think Germany's experiences with the Nazi concentration camps.
Explanation:
The art<span> of the </span>Renaissance<span> is characterized by realism. ... In the high </span>Renaissance<span>, from 1475 to 1525, artists including Leonardo da Vinci and Michelangelo focused on space and perspective to lend more realism to </span>art<span>.</span>
Due to discovery, experimentation, and exploitation of vaulting, concrete, and arches by the time of the Romans, their architectural monuments had as impressive interiors as they had impressive exteriors.Traditional Persians, Egyptians, Greeks, and Etruscans architectural monuments had impressive exteriors but lacked impressive interiors. This is because all relied on building in a post-and-lintel system that rendered their interior limited in size since they were used to support heavy loads to shore up their exteriors.
To make their art work look more realistic.