With the exceptions of Michael Jordan, Vince Carter, Blake Griffin and perhaps a few other dukes of dunk, gravity weighs athletes down. They spend the majority of their time making contact with terra firma. Or not-so-firma as in a few forthcoming instances. Or luna firma in another instance.
Ah yes, the playing surface; it's always there but rarely regarded. Unless it is truly unique. And then the floor itself can upstage even the biggest sports stars.
Click on to see what lies beneath.