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)

(L-R) Jesse Montana , Kyle Chan, James Kennedy and Anthony F. attend Kyle Chan's “Star Wars vs. s*xy Aliens” Birthday Party at Sofitel Hotel on February 19, 2019 in Los Angeles, California. (Photo by Robin L Marshall/Getty Images)

People participate in the annual “No Pants Subway Ride” in New York City, U.S., January 12, 2020. (Photo by Brendan McDermid/Reuters)

A woman holds piles of vegetables transported by motorcycle along a street in Phnom Penh, Cambodia on January 22, 2020. (Photo by Tang Chhin Sothy/AFP Photo)

An artwork called “McJesus”, which was sculpted by Finnish artist Jani Leinonen and depicts a crucified Ronald McDonald, is seen on display as part of the Haifa museum's “Sacred Goods” exhibit, in Haifa, Israel, Monday, January 14, 2019. Hundreds of Christians calling for the sculpture's removal protested at the museum last week. (Photo by Oded Balilty/AP Photo)

Border Security Force (BSF) personnel patrol along the border fence during a cold foggy morning near India-Pakistan Wagah border about 40km from Amritsar on December 21, 2022. (Photo by Narinder Nanu/AFP Photo)

“Teenager Teenager”, an installation by the collaborative Chinese artists Sun Yuan and Peng Yu, at the exhibition “Crazy. Madness in contemporary art” in Rome on February 18, 2022. (Photo by Gloria Imbrogno/LiveMedia/Rex Features/Shutterstock)

A person throws a flower towards Britain's Queen Elizabeth's coffin, as it is transported, on the day of her state funeral and burial, in London, Britain on September 19, 2022. (Photo by Carlos Barria/Reuters)