What kind of scene is depicted in the idiom “西风斜阳” ?

A、Aprosperoussceneofthegrowthofcrops,springhasbroughtlifetothevastland
B、Asolidaritysceneofsettingsunfallstothewest,thingshaveallgonewiththewind
C、Abeautifulsceneofwindsweepingtheground,whileleavesflowingwithit