RiveraRa wrote in post #12200339
Because the photographer has an HDR tutorial on his site and this image is in his tutorial

The fact that it is on his site and in a tutorial is irrelevant to the luminance of the scene. THe tutorial does not explain the capture and processing of this image, which is apparently the nature of the OP's inquiry.
My point was, there is a difference between a scene that possesses a high dynamic range and processing an image with HDR toning, whether the scene and the resulting captured image data possesses a high dynamic range or not. That is, you can run a single raw that captures the entire range of the scene (ie, a non-HDR set of data, typically) through Photomatix and get a "look" - this does not necessarily make the scene HDR.
As long as we are clear about the difference between a high dynamic range scene and an HDR look, the OP can hopefully make progress toward achieving the look regardless of the capture method and scene. The example to which the OP links may not have had a super huge dynamic range, even if the photographer took multiple exposures to make the image.
To the OP - whether you are trying to get the look using a single raw or multiple images that are merged into a single HDR dataset, the artist to which you linked likely used Photomatix (note the noise in the sky, a feature of Photomatix
) and post in photoshop, lightroom or another app capable of further processing - see his HDR tutorial:
http://www.vanilladays.com/hdr_tutorial/
Kirk