Very cool. I post roundups like this on a regular basis for my community, and let's just say that a certain 'labor of love' needs to be involved.
Anyway, I like these 'empty, meditative landscapes.'
So often we seem to think that a landscape needs lots of things going on, but these work perfectly well I think, with their sense of 'stretching to infinity.'
Btw, in case this is of interest, one can have the images expand with a click, for example:
(click the "source" button to see the code used)