There was still one great enigma that Cheb had been unable to solve: the mystery of the White Tower.

There was the great enigma - that the brevity of a man's life did not drive him into continuous swarming activity.

Near him stood the Shadow Sorcerer, an even greater enigma.

It seems that our Captain is as great an enigma to the seamen, and even to the owners of the vessel, as he has been to me.

The relationship of these figures to each other, and to the frieze on the adjacent wall, is among the great enigmas in cave art.

The great enigma in the field of nuclear weapon security is the Soviet Union.

One of the great enigmas of the case is why Spector declined to take the stand in his own defence.

Trott's story represents one of the great enigmas of Australian cricket history.

Man like, he did not understand to the full that great and wonderful enigma, which has puzzled the world since primeval times: a woman's heart.

Might art's great enigma have finally been decoded?