Christianiacykel

A three-wheeled cargo bike from the free town of Christiania in Copenhagen, for children and loads.
Christiania was car-free, and its residents needed to carry goods and children. The bike became common across Copenhagen and the model for many cargo bikes.
Materials: Steel, wooden box
Manufacture: Made in Christiania and later on Bornholm.
The box at the front between the two front wheels.
The simple steel frame behind.