Original: Maderno 's last work at St. Peter 's was to design a crypt-like space or '' Confessio '' under the dome , where the Cardinals and other privileged persons could descend in order to be nearer the burial place of the apostle .
Simplified: Maderna 's last work at St. Peter 's was to design a sunken crypt called the '' Confessio '' under the dome , where people can go to be nearer the burial place of the apostle .