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)

On October 31st, 2025, when the weather was in full autumn, citizens visiting the Taehwagang National Garden Chrysanthemum Garden in Nam-gu, Ulsan, are making memories among the chrysanthemums turning yellow. (Photo by Kim Dong-hwan)

The Pink Floyd inflatable pig floats next to Broadcasting House to promote their new exhibition at the V&A museum, in London, Britain May 10, 2017. (Photo by Neil Hall/Reuters)

Members of the China Disabled People’s Performing Art Troupe take part in the thousand-hand Bodhisattva dance in Mississauga, Canada on November 8, 2018. (Photo by Zou Zheng/Xinhua News Agency/Barcroft Images)

A snowman is seen by the side of a road as snow falls on the hills around the Bay Area while a massive winter storm passes along the west coast, delivering some snow, freezing rains, and gusty winds around, near San Jose, California, U.S., February 23, 2023. (Photo by Carlos Barria/Reuters)

A model presents a creation by Indian designer Amit Aggarwal during the FDCI India Couture Week in New Delhi on July 28, 2024. (Photo by Sajjad Hussain/AFP Photo)

Pedestrians using umbrellas struggle against rain and strong wind in Tokyo, Japan, 16 August 2024, as typhoon Ampil is approaching. The typhoon is approaching to Kanto Tokyo area and Japan's Meteorological Agency has issued heavy rain warning. The powerful typhoon forces to suspend JR Tokaido Shinkansen bullet train service operated by JR Central Japan Company all day between Tokyo and Nagoya, central Japan, and cancel over 600 flights. (Photo by Kimimasa Mayama/EPA/EFE)

A model jumps during a photo shooting, in Milan, Italy, Friday, January 15, 2016. Men's fashion week starts today and will run until Tuesday, January 19. (Photo by Luca Bruno/AP Photo)