A moment later Tarzan found himself alone in the midst of a desolate mountain fastness.

In the middle of the 18th century, this mountain fastness was briefly the capital of Corsica.

And then, from the mountain fastnesses, came the radio voice: "Germans!

She wrote to her husband from her mountain fastness, warning him against high-balls in hot weather.

There in the mountain fastness, difficult choices were made.

Lorini is there, in the new mountain fastness where we are heading now.

I thought surely these mountain fastnesses would be safe from prying eyes.

News trickled in very slowly to the mountain fastness.

In the mountain fastness we set our backs to the stone and turn to face our enemies.

Now the mountain fastness was alive with activity.