Thank you Radu for the comment. Good question, indeed. Originally I tried to get the effect by moving the camera, which turned out to be more difficult than expected to obtain a smooth satisfactory result. It is so much easier to control to use the photoshop buttons. Cheers, Dieter
Thanks Mike for the comment. You mention a crucial point. The original is of course less saturated, but the general tendency seems to be that people prefer stronger colors. It is difficult to judge what is natural, it depends on the personal perception