Well it's apparent that I may not have given much thought to the title or caption and after drinking 2 glasses I may have started to become slightly inebriated myself. PA
That doesn't make any sense to me, Paul: I do not see two but *four* glasses! But, then, I may just be somewhat drunk after looking at this fine picture for a while... ;-) db.
I love the way these seem to be almost floating, levitating...maybe even more interesting when you cut off the top 40% of the frame, (my assumption is that the Challenges are also and maybe mostly for experimenting)