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, the tenth place: Hawaii’s capital, Honolulu. Latest ranking: 17; Ranking five years ago: 26; Five-year index movement: 1.3%. Here: Runners gather on Kalakaua Avenue for Hawaii’s Half Marathon. (Photo by Cory Lum/Getty Images)
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