Miss Universe Puerto Rico, Karla Guilfu, parades in a swimsuit during the Miss Universe 2023 preliminary gala in San Salvador, El Salvador, 15 November 2023. (Photo by Rodrigo Sura/EPA/EFE)

A child enjoys yellow gingko leaves outside the Diaoyutai State Guesthouse on November 8, 2022 in Beijing, China. (Photo by Zhao Jun/China News Service via Getty Images)

School girls hold hands while looking out at the Indian Ocean at Galle Face beach in Colombo on December 9, 2022. (Photo by Ishara S. Kodikara/AFP Photo)

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)

Revellers react in a water fight during Songkran Festival celebrations, in Hong Kong, China on April 9, 2023. (Photo by Lam Yik/Reuters)

Icicles are seen on a handrail along the coast at Donggang business district in Dalian, Liaoning province, China on December 27, 2018. (Photo by Reuters/China Stringer Network)

A humpead wrasse, transported from Japan's southern island of Okinawa, swims with other tropical saltwater fish on display in a tank for the Sony Aquarium 2017 exhibition in Tokyo on July 31, 2017. The Sony Aquarium 2017 exhibition, featuring marine life common to the waters around Okinawa, runs until August 13. (Photo by Kazuhiro Nogi/AFP Photo)

Women wearing braided straw hats dance as the Owara Kaze-no-Bon dance festival begins on September 1, 2025 in Toyama, Japan. The festival, believed to have more than 300 years history, continues till September 3. (Photo by The Asahi Shimbun via Getty Images)