A boy takes his basset hound for a walk with a difference in Noosa, Australia on Saturday, March 9, 2024, during the annual Surf Dog Championships. (Photo by Roberta Holden/Solent News)

Erin Brooks of Canada surfs in the Heat 3 of the Round of 16 during the 2024 GWM Sydney Surf Pro at North Narrabeen Beach on May 12, 2024 in Sydney, Australia. (Photo by Andy Cheung/Getty Images)

Australia’s Hannah Fredericks competes in the women’s 200m backstroke heats during the Australian Swimming Trials at the Brisbane Aquatic Centre on June 13, 2024. (Photo by David Gray/AFP Photo)

People take selfies as a English singer-songwriter Harry Styles wax figure is unveiled on Coogee Beach on July 18, 2023 in Sydney, Australia. (Photo by Don Arnold/WireImage)

American actress Anya Taylor-Joy attends the Australian premiere of “Furiosa: A Mad Max Saga” on May 02, 2024 in Sydney, Australia. (Photo by Brendon Thorne/Getty Images)

Arisa Trew of Australia competes during the women's skateboarding park final at the 2024 Summer Olympics, Tuesday, August 6, 2024, in Paris, France. (Photo by Frank Franklin II/AP Photo)

Nora Muaid stands in Zawraa Park on December 2, 2011 in Baghdad, Iraq. The park's 180-foot tall Ferris wheel opened earlier this year and is the second largest in the Middle East. (Photo by Mario Tama/Getty Images)

In the middle of the lobby of the Radisson SAS Hotel in Berlin stands a AquaDom standing 25 meters tall and is the largest cylindrical aquarium ever built. It’s filled with about 900,000 liters of seawater and has 2600 fish of 56 species.