Four Hours in Helsinki

So, I am connecting from Ibiza to China through Helsinki, Finland.  Does anyone have any suggestions on what to see and photograph in that time?  Keep in mind that I’ll have to jump in a taxi (or train?) and get to-and-from these locations and get back in time to go through security again.

The Private Room

It was a dark and mysterious set of serpentine stairs that brought us to this room. Where could it be? Who can identify it? You all are so hard to trick… None of these has ever stayed mysterious for more than 24 hours… but maybe, just maybe, we can have this one stay a mystery!

And I know people zoom into 100% on these to look for clues… this one is a little messy at 100%, so I am a little embarrassed by that… I do figure that 98% of people look at it in the default “blog size”, where it looks okay.