Barack Obama: “She understood that the movement gathered strength from the bottom up.”

And there’s no reason to suggest that we can’t get through this one either.

No one was more skilled at bringing people together and getting legislation passed.

It's a way to honor her trailblazing leadership, and inspire visitors to follow in her footsteps.

They're meant to remind us of who we can be, to remind us of what's possible, so we can forge ahead.