Marin joulukalenteri, 6th door

We Finns count down the 24 days before Christmas by using Advent Calendars.
I haven't got one for myself this year, so I decided open my own Advent Calendar here in Blip.
So today I open another door of Marin Joulukalenteri:

In this special day our city centre, Old Town Hall dresses in blue.
Its Independence Day.

If you are interested how we celebrate it you can read this great article. I found it very accurate description of the day.