For miles in every direction there was nothing but empty land, then these twin pillars of red and gray rock shooting skyward.

But those twin pillars could crumble at any moment under the regional peace accords.

I was east of the deserted village when I saw before me a sight of compelling interest: twin pillars rising a sheer five hundred feet from the surrounding land.

But at the entry to the sanctuary, which has been thoroughly excavated, the Roman antiquary Varro learned that there had been twin pillars of brass.

For years, work and marriage have been seen as twin pillars of welfare reform.

Energy efficiency and renewable energy are twin pillars of a sustainable energy future.

Those twin pillars of American policy were so out of favor by last year that they propelled Mr. Morales's rise to the presidency.

The means to these ends was "twin pillars," a strategy of militarily supporting, initially, Saudi Arabia and Iran, which would then presumably do America's bidding.

Growth and stability are twin pillars.

Speed and luxury were twin pillars of Concorde marketing.