[IndieWire]

…Today we’re revisiting an interview we did with Werner Herzog, whose 3D documentary “Cave of Forgotten Dreams” was today named the year’s best documentary by the Dallas-Fort Worth Film Critics Association.

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Was that the first time you had watched the movie in 3D?

No, I had seen it in 3D for a test, but only on a large plasma screen, which was very different.

How essential do you consider the 3D for this particular viewing experience?

It’s not essential; it’s imperative. When you look at the film in 3D, there’s no argument that it must be seen that way, although I’m not a great advocate of 3D. But here, it was imperative, because the formation of the walls–the wild drama of the bulges and niches and pendants–was utilized by the painters 32,000 years ago.

So you don’t think someone should watch the movie if they can’t see it in 3D?

Well, I have seen it in 2D recently and it’s still good. But the 3D really adds depth to the experience.

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See the full article here: http://www.indiewire.com/article/honor-roll-2011-werner-herzog-on-3d-the-simpsons-and-nicolas-cage