Drama at sea captured in seafarers' sketchbooks
https://edition.cnn.com/travel/article/vintage-sea-journals/index.html
In those days, it would be like traveling to space to travel overseas. It needs a lot of money and was risky.
But, comparing with the number of female astronauts, we can imagine how females were excluded from specific occupations.
With advanced technologies of airplane, we are now able to travel abroad more safely. What's the next transportation to enable us to go abroad more easily?
