A groundbreaking submersible has welcomed passengers on its first ever public dives in a hugely significant move for submarine tourism.
원문출처 : https://www.cnn.com/travel/article/transparent-tourist-submarine-launches-at-vietnam-resort/index.html
원문출처 : https://www.cnn.com/travel/article/transparent-tourist-submarine-launches-at-vietnam-resort/index.html