It is one of the world's greatest anti-war paintings.

I spent the last year looking at works to buy and this is easily one of the greatest paintings to come on the market.

Without them, many of the greatest paintings of a later day would never have come into being.

As with all the greatest painting, it is in the end not the art, but the observer, that is put to the test.

Then, in the two months remaining to me, I created my masterwork, clearly the greatest painting of all time.

The project is part of an attempt by Greenaway to animate the world's greatest paintings.

"It is arguably one of the greatest contemporary paintings to come to auction in a long time."

His most famous, and perhaps greatest, painting of the period was The Ambassadors.

The trip would not be a hunt for history's greatest paintings but an immersion in a different cultural experience.