As you can see from the picture above, this piece of Pongrac's knot utilized layers of colors that created the illusion of the ocean and the irregularity of the knitting guides your eyes through the complex waves - well, at least that is my interpretation of it.
Niina Chebry's "Hokkaido" (http://www.niinachebry.com/gallery/main.php?g2_itemId=1084) is my other favourite. When look from afar, you can enjoy the mix of pink and the calming cool color tone background. With a closer look the layering of acrylic granted the painting life that you can almost see the cherry blossom emerging from the surface of the canvas.
Anyway. I didn't check out how these pieces cost. Real art shall remain priceless, don't you think?