https://www.youtube.com/watch?v=9aTzNoo-hxY
Draken - atlatli
https://www.youtube.com/playlist?list=PL64-uvJRwJ5mrCDwzpavpJb1qLmht4tFX
https://www.youtube.com/watch?v=29mOXuVoE3o
Building of East Indiaman Götheborghttps://www.youtube.com/watch?v=w04CpOl94Sc
