National Geographic : 2000 May
LIKE HIS ANCESTORS, SuneMellerPetersen(above) andateam ofDanishworkers build ships by cuttingplanks with axes and making ropefrom horsehairand bast fiber. Light, maneuverable,and powered by sail and oars, such vessels sped the great Viking expansion. Warships were built serpentthin andflexible enough to bend with the waves. Cargoships similar to the replicaSif Ege (below) had bulbous hulls spacefor a healthy share ofgoodsfor each crew member.