South Asian countries in terms of total contribution of travel and tourism to GDP. #6. Vietnam, Total GDP: USD 202.6 billion (2016). Contribution of Travel and Tourism to GDP: 9.1% . Here: A boat in the Thu Bon River, Hoi An, Vietnam. (Photo by Domingo Leiva/Getty Images)

Hollywood superstars George Clooney and Brad Pitt are pictured enjoying a romantic night out with their partners Amal Clooney and Ines de Ramon in Venice. They are also pictured enjoying a picturesque taxi boat ride in Venice before arriving at a restaurant for a double date dinner on September 2, 2024. (Photo by Cobra Team/Backgrid USA)

Paul Dixon is an engineer by day and an astrophotographer by night. He shot this broken boat on Dungeness beach, Kent in the last decade of August 2024, 17 times, stacking the images upon each other before combining them with a similar composite of the Milky Way. (Photo by Paul Dixon/Media Drum Images)

Dancers pose for a photo as they prepare during Festival Cilung or “Love the Environment” Festival, where boats made from recycled materials, mostly plastic bottles, sail on the Ciliwung River, one of the most polluted rivers in the world, to raise public awareness about river pollution, in Jakarta, Indonesia, on September 28, 2025. (Photo by Willy Kurniawan/Reuters)

A boat commutes across the Mekong river in Phnom Penh on August 8, 2014. The Mekong is the world's twelth longest river running from the Tibetan Plateau through China's Yunnan province, Myanmar, Laos, Thailand, Cambodia and Vietnam. (Photo by Tang Chhin Sothy/AFP Photo)

Boats of fishermen are seen on the dried Poopo lakebed in the Oruro Department, south of La Paz, Bolivia, December 17, 2015. Lake Poopo in Bolivia, the Andean nation's formerly second largest after the famed Titicaca, has dried up entirely. With the water now gone, animals have died off in the millions, according to studies. And the local families, having lost much of their sustenance, have been forced to migrate. (Photo by David Mercado/Reuters)

A Rohingya refugee woman is helped from a boat as she arrives exhausted on the Bangladesh side of the Naf River at Shah Porir Dwip after fleeing her village in Myanmar, on October 1, 2017 in Cox's Bazar, Bangladesh. (Photo by Kevin Frayer/Getty Images)

Aerial view of the “Viracocha III”, a boat made only from the totora reed, as it is being prepared to cross the Pacific from Chile to Australia on an expected six-month journey, La Paz, Bolivia, October 19, 2016. An expedition in a boat made only of reeds crafted by indigenous Bolivians is getting ready to cross the Pacific from South America to Australia, in a fresh attempt to prove that ancient mariners were capable of making the journey. (Photo by David Mercado/Reuters)