Switzerland

I conclude: the woods, not very steep, with well-separated clearings, are not those of the upper valley of Zermatt. Who knows who did the work on the snow (and who knows where)? if even this is not a fake!.

SW could be right for a winter sunset, but the lights are typical for a boreal aurora, of course. Never seen on the Alps.

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The aurora is also pretty unlikely, especially with so much light, and in the SW, not the north.

The photomontage is almost certain: the upper part is seen as it appears from over 2500 m; the lower part shows huts and woods as about 2000 m.
Where are the grasslands?
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So I put the pin in one of the "most likely" positions.