Ever stumble upon an abandoned underground tram station and think to yourself,
"Self.  If I could do anything with this underground tram station to make it really cool, what would I do?"
If you're nodding your head now, then you are very, very troubled.
But you might like this article that found on MessyNessyChic.com -

http://www.thelowline.org/

Step One:  Get yourself an abandoned subway station.  Let sit for nearly 100 years.

Step 2:  Use magic to transport sunlight to said abandoned station.

Step 3: Prove that you are best wizard evar.

Step 4:  Dance in the magic underground sunlight.

Good ol' Nessy also has some abandoned stations in Paris:

http://www.messynessychic.com/2014/02/04/metro-makeovers-for-the-abandoned-stations-of-paris/

This becomes