Two recently restored paintings by Leonardo da Vinci on view at London 's National Gallery . To restore such a painting is a fraught privilege . Process requires time , care and attention to detail . Conservators develop strong bonds with paintings they restore .
Two recently restored paintings by Leonardo da Vinci on view at London 's National Gallery . To treat such a painting is a fraught privilege . Process requires patience , care and attention to detail . Conservators develop strong bonds with paintings they restore .