Reflections. . .

And here is the key to a house far away
Where I used to live as a child
They tore down the building when I moved away
And left the key unreconciled

Do you have any keys to places or things you'll never open again? Somewhere, I still have a few keys to a Chemistry lab at OU. And I still have a security badge from Walter Reed, which looks to be closing for good in the next few years. . .