Viking Genes

First we saw some skinny dippers 
Jump in the canal.
Guess that's not unusual 
Today for this locale.

Then we saw two twenty-somethings
Going for a dip.
With temps down in the 40's
That is something I could skip.

My husband asked them if this was
A part of their routines 
And how they did it in the cold -
They answered, "Viking genes."

We're here in Copenhagen
So perhaps their claim is true
But being from New York I think
They must have lost a screw!