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)

Journalists interview a girl, member of the Cryophile amateurs winter swimmers club, after bathing in the ice waters of the Yenisei River, during the celebrations for the upcoming Christmas and New Year, in Krasnoyarsk, Russia, December 23, 2017. (Photo by Ilya Naymushin/Reuters)

A crustacean walks on a road after flooding went back in Schuld, Germany, Friday, July 16, 2021. Two days before the Ahr river went over the banks after strong rain falls causing severals deaths and hundreds of people missing. (Photo by Michael Probst/AP Photo)

Poisoned River. Abstract Winner. A detailed photograph of a stream filled with poison. “Poisoned Beauty” is a personal project that tells the story of the natural disaster in the Apuseni Mountains in Transylvania, which was a result of chemical waste generated by copper and gold mining, but in a beautifully abstract way. (Photo by Gheorghe Popa/Drone Photography Awards 2021)

A young girl is splashed as she takes an elephant bath at Rapti river in Chitwan, Nepal, 30 October 2021. Chitwan is one of the major tourist destinations in Nepal and popular zone for wild life sightseeing in Chitwan National Park. (Photo by Narendra Shrestha/EPA/EFE)

A Nepalese woman offers prayers to the setting Sun on the bank of Bagmati River during the Chhath Puja festival in Kathmandu, Nepal, Wednesday, November 10, 2021. During Chhath, an ancient Hindu festival, rituals are performed to thank the Sun God for sustaining life on earth. (Photo by Niranjan Shrestha/AP Photo)

A row of abandoned oil tanks is filled with creepers on the riverside of Liyun River in Huai 'an, East China's Jiangsu Province, May 9, 2023. (Photo credit should read CFOTO/Future Publishing via Getty Images)

Maddie Stanton (L) and River compete in Helen Woodward Animal Center's 18th Annual Surf Dog Surf-A-Thon at Del Mar Dog Beach on September 10, 2023 in Del Mar, California. (Photo by Daniel Knighton/Getty Images)