FTP, identify this painting by Leonardo da Vinci, which features Mary at the peak of the pyramidal composition, set in a stony grotto.
It was painted as the central panel of an altarpiece for the Confraternity of the Immaculate Conception's chapel in San Francesco Grande.  Possibly influenced by Fra Lippi, on the right side, an angel points to an infant John the Baptist praying to the Christ Child, who raises his hand in blessing.  FTP, identify this painting by Leonardo da Vinci, which features Mary at the peak of the pyramidal composition, set in a stony grotto.
It was painted as the central panel of an altarpiece for the Confraternity of the Immaculate Conception's chapel in San Francesco Grande.  
Virgin of the Rocks