Or is Dichotomy a better word?  Two things that represent the opposite of one another

Classic images of summer in the midst of winter

Bright Colors / White Snow

Reminders of the sea surrounded by the beauty of winter

Hang in there, all those who are weary of snow.  To every thing there is a season.

 Try not to overlook one season’s gifts by looking ahead to the next.

Because in the not too distant future, all we’ll hear is how hot and miserable people are … in drought conditions to boot.