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)

Chinese model Ming Xi falls down on runway during the 2017 Victoria's Secret Fashion Show at Mercedes-Benz Arena on November 20, 2017 in Shanghai, China. (Photo by VCG/VCG via Getty Images)

A girl feeds a squirrel in Bolivar Square, in Caracas, Venezuela on June 4, 2024. (Photo by Gaby Oraa/Reuters)

Local residents participate in the annual carbide shooting on New Year's Eve in Zwolle, the Netherlands on December 31, 2023. (Photo by Vincent Jannink/EPA/EFE/Rex Features/Shutterstock)

A wildfire on the Scottish island in the first decade of April 2025. Fire services are calling on people to act responsibly after an “extreme” wildfire warning was issued for the whole of Scotland. (Photo by Police Scotland/PA Wire)

Republic of Korea Air Force's (ROKAF) aerobatic unit “Black Eagles” maneuver their T-50B aircraft as they perform an air show at Clark Air Base on March 03, 2024 in Pampanga, Philippines. The Republic of Korea Air Force's (ROKAF) aerobatic unit “Black Eagles” is in the Philippines to conduct a series of air shows to mark the 75th anniversary of diplomatic relations between the Philippines and South Korea. (Photo by Ezra Acayan/Getty Images)

A man and a dog bathe in a fountain during celebrations of Paratroopers' Day in Moscow' s Gorky Park on August 2, 2017. Russia' s Airborne Troops (Blue Berets) celebrate their professional holiday on the Day of Elijah the Prophet, their Patron. (Photo by Stanislav Krasilnikov/TASS)

Three very colouful alpacas enjoy the hot weather at Toft Farm, Rugby, on July 19, 2013. (Photo by Caters News)