One conservationist who recently went looking for a rare poisonous bird in an unexplored region had to take along a local shaman as a guide, a measure of Papua New Guinea's splendid isolation.
He traveled in the unexplored regions of the mind and expressed thoughts never uttered before by an artist.
Fresh unexplored regions are for ever opening out.
Everywhere all round the parts occupied by the French there were unexplored regions unoccupied beyond, in which the French fancied there were even more riches to be found.
He travelled in the unexplored regions of the mind.
Earth's oceans are vast, unexplored regions full of unanswered questions.
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