Phew, I stay away for a mere few days and there are so many posts I can hardly keep up!! Nicely done everyone.
Now, I have only two for radiation for this post. I will continue looking of course, and now have added ‘gravity’ per Rich ;’-0.
Getting even part of my bike into the photo of the sunflowers was a challenge ;’-). And now I know to get the bike in my photos, I did not realize if this has always been a requirement. Does this change with each challenge that is presented?