Understanding How Michelangelo Knew how to Portray Grief felt by Mary, Jesus’ Mother, through La Pieta?

When traveling, I enjoy experiencing other country’s cultures — especially Italy. There is always something that amazes me every time we visit. As we roam through the uneven cobblestone streets of Rome and sightseeing its old architectural buildings it is impressive. The Colosseum, the Pantheon, Trevi Fountain…