An enormous fresco that was unfinished, damaged, and abandoned. Arguably his best work. Some art scholars even doubt it was ever painted. Will it ever be found? — For centuries, the whereabouts of this painting have been unknown. Nevertheless, for anyone who has studied the mysterious and enigmatic Leonardo, this does not come as a surprise. Da Vinci’s life was and still is filled with uncertainty. Over five hundred years have passed since his death and we are…