Not to be confused with a soda of color, say Nehi grape or orange…
Here in the Midwest, ‘pop’ has another meaning. If I happened to have some, that would make a perfect combination for this theme! But the pop I have in the ‘fridge is 50/50, and it’s not even as colorful as Mountain Dew. So… back to the natural world, and natural liquids.
Green stream at the Madison Arboretum
And perhaps a double pop on this one…
Out the window
This one is a gentle, soft ‘pip’…
Old World Wisconsin visitor
scillagrace 
Exquisite, Priscilla. I just returned after a 2-day drive. Playing catch up today, and most likely tomorrow.
I look forward to seeing your illustrations of the themes. Welcome back!