More than 700 underwater images were submitted for the 2012 Annual Underwater Photography Contest, hosted by the University of Miami's Rosenstiel School of Marine & Atmospheric Science. This year, for the first time, the University of Miami set up a “Fan Favorite” category for its underwater photo competition. Internet users could vote for their favorite among five pictures. Todd Aki's photo of a jellyfish took the prize, snaring 599 of the 1,221 votes cast. (Photo by Todd Aki)

“Catch of the Decade”. Can you guess what happened next? Photo location: Katmai National Park, Alaska, USA. (Photo and caption by Aaron Baggenstos/National Geographic Photo Contest)

A period of relative stability has put the Iranian capital No1 on the list of world cities that have achieved biggest improvements in liveability over the past five years, as calculated by the Economist Intelligence Unit. The “most improved” top 10 contains some unexpected names. So, eg, the fourth place: Abidjan, Ivory Coast. Latest ranking: 128; Ranking five years ago: 131; Five-year index movement: 3.8%. Here: A supporter of Ivory Coast president Alassane Ouattara campaigns in a market in the city’s Koumassi quarter. (Photo by Sia Kambou/AFP Photo)

Italian-American actress and model Julia Fox and American actress Chloe Fineman attend the Marshall Columbia x Cash App Pink Party during NYFW on September 7, 2023. (Photo by Deonté Lee/BFA.com)

Italian-American actress and model Julia Fox is seen on September 07, 2023 in New York City. (Photo by Rachpoot/Bauer-Griffin/GC Images)

Enthusiast dressed as zombies take part in the Zombie Walk event on September 14, 2019 in the eastern French city of Strasbourg, within the framework of the 12th edition of the European Fantastic Film festival, which runs from September 14 to 22. (Photo by Frederick Florin/AFP Photo)

American singer-songwriter Olivia Rodrigo is seen in Midtown on September 06, 2023 in New York City. (Photo by Gotham/GC Images)

A vendor stands in a flooded flower market following heavy monsoon rains in Mumbai on September 23, 2020. (Photo by Sujit Jaiswal/AFP Photo)