How did the Viking longships cross large expanses of open water? Looking at them they look like glorified rafts. How did they cross oceans with such a small, single deck craft? -
![Amazon.com | Mythrojan Tumbler Viking Drinking Cup with Handle & Medieval Buckle Renaissance with leather strap, 600 ML, Pearl: Beer Mugs & Steins Amazon.com | Mythrojan Tumbler Viking Drinking Cup with Handle & Medieval Buckle Renaissance with leather strap, 600 ML, Pearl: Beer Mugs & Steins](https://m.media-amazon.com/images/I/51qAf8LM7oL._AC_SY1000_.jpg)
Amazon.com | Mythrojan Tumbler Viking Drinking Cup with Handle & Medieval Buckle Renaissance with leather strap, 600 ML, Pearl: Beer Mugs & Steins
![San Marcos man's handmade replica Viking ship takes shape in North County backyard - The San Diego Union-Tribune San Marcos man's handmade replica Viking ship takes shape in North County backyard - The San Diego Union-Tribune](https://ca-times.brightspotcdn.com/dims4/default/8065160/2147483647/strip/true/crop/4500x3000+0+0/resize/1486x991!/quality/80/?url=https%3A%2F%2Fcalifornia-times-brightspot.s3.amazonaws.com%2Fb6%2F6f%2Fedf184f64d61919e1d3b0e8d9297%2F951381-sd-me-viking-ship-cn-010.jpg)