Halden train station...

... reflected.. :-)

I visit Fredriksten Fortress  (extras) constructed by the danes and Norwegians in the 17th century and were a part of protecting the country against all the Swedish invasions:1658, 1659, 1660, 1716, 1718 and 1814. 
Halden is very close to the Swedish boarder so a strong fortress were much needed!