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)

South Asian countries in terms of total contribution of travel and tourism to GDP. #6. Vietnam, Total GDP: USD 202.6 billion (2016). Contribution of Travel and Tourism to GDP: 9.1% . Here: A boat in the Thu Bon River, Hoi An, Vietnam. (Photo by Domingo Leiva/Getty Images)

A child and any Asiatic Lion look at each other through a glass at Rome's Zoo, Thursday, March 7, 2024. (Photo by Gregorio Borgia/AP Photo)

Pedestrians fight wind and rain as they cross Hollywood Boulevard during Tropical Storm Hilary, Sunday, August 20, 2023, in Los Angeles. (Photo by Chris Pizzello/AP Photo)

Hindu devotees (not pictured) touch a child with their feet as part of a ritual to bless him during a religious procession held to mark the Gajan festival in Kolkata, India, April 13, 2018. (Photo by Rupak De Chowdhuri/Reuters)

A Delhi Police officer stretches during a rehearsal for the upcoming Republic Day parade on a foggy winter morning in New Delhi, India on January 4, 2024. (Photo by Sahiba Chawdhary/Reuters)

A public bus makes its way on a flooded road after heavy monsoon rains in Mumbai, India on August 4, 2019. India receives its monsoon rains from June to September. (Photo by Indranil Mukherjee/AFP Photo)

Children play with their pet Hamster at a street in Kochi on March 29, 2021. (Photo by Arun Sankar/AFP Photo)