Koninginnedag. (Queens Day)

Today is Koninginnedag (Queen's Day). This is a national holiday in the Netherlands.
Not only the colors of the dutch flag (red, white and blue) can been seen in the streets but also the color orange, which is the color of our monarchy Oranje-Nassau.
It has given us the name of the nation with the orange madness. well- know during international matches like football.

Koninginnedag is known for its nationwide vrijmarkt ("free market" or flea market), at which many Dutch sell their secondhand items.