'The Vikings enhanced the seaworthiness of their ships by adding this stabilizer to the underside'
a keel
THE VIKINGS: The Vikings enhanced the seaworthiness of their ships by adding this stabilizer to the underside
The Vikings enhanced the seaworthiness of their ships by adding this stabilizer to the underside
The Vikings enhanced the seaworthiness of their ships by adding this stabilizer to the underside
THE VIKINGS
a keel
THE VIKINGS