Autumn landscape in the Russian province (it is captured from the Lukovka-tower which is located in...

The light and colors are beautiful, and I love the drama in the clouds.  I don't think the square format works for this photo, though.  It feels cramped, when a scene like this should invite the viewer to roam.

In general, landscapes are best presented in, well, landscape format :-).  Try playing around with some rectangular crops and see if that provides for a more pleasing framing.