Couldn't have put it better myself

Image via Wikipedia

Like that grand piazza, which Bernini designed in front of St. Peter’s Basilica in the Vatican, the enormous marble sculptures for which the artist is best known are for all practical purposes untransportable.
What does that leave? As it happens, a significant body of work: especially the portrait busts, a genre in which the young Bernini demonstrated that he was head and shoulders above the competition.

(link)