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)

The coendou porcupine couple 'Joppi' (L) and 'Fletcher' nibble at a vegetables in their enclosure at the zoo in Frankfurt am Main, Germany, 03 December 2015. Coendou porcupines are nocturnal rodents related to porcupines and guinea pigs and native to the rain forests of Central and South America as well as Trinidad. (Photo by Arne Dedert/EPA)

A Rohingya refugee girl named Rufia Begum, aged 9, poses for a photograph as she wears thanaka paste at Balukhali camp in Cox's Bazaar, Bangladesh, March 31, 2018. (Photo by Clodagh Kilcoyne/Reuters)

Train attendants take part in a parade training as they visit the national flag guard during a patriotic education event ahead of the 90th anniversary of the founding of the Chinese People's Liberation Army (PLA) in Beijing, China July 25, 2017. (Photo by Reuters/China Stringer Network)

Russia's figure skater Alexandra Trusova performs in a show at the CSKA arena in Moscow on February 14, 2023. (Photo by Kirill Kudryavtsev/AFP Photo)

Breeder of baby goat Mohammad Hasan Narejo and a child show ears of 2-month-old female baby goat named Simbi in Karachi, Pakistan on June 07, 2023. Simbi has the world's longest ears which are 55 cm. (Photo by Sabir Mazhar/Anadolu Agency via Getty Images)

A man participates in the Pacu Jawi, a traditional bull race, at Nagari Labuah, in Tanah Datar of West Sumatra, Indonesia, on April 13, 2024. (Photo by Yorri Farli/Xinhua News Agency/Alamy Live News)