Revellers take part in New Year's Eve celebrations in Kyiv, Ukraine on December 31, 2020. (Photo by Valentyn Ogirenko/Reuters)

Women stand on a street ahead of the Lunar New Year celebration at the Chinatown in Bangkok, Thailand, February 10, 2021. (Photo by Chalinee Thirasupa/Reuters)

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)

Kurt Arrigo is Malta’s most eminent and one of the world’s finest marine photographers. ­­His illustrious and diverse career has seen him capture dramatic action at elite international sporting events.

An exhibition at London’s Horniman Museum by three photographers from Brazil’s largest favela, Maré, shows us their unique vision of Rio de Janeiro. Here: Leisure day on the Avenida Brasil. (Photo by Elisângela Leite/Horniman Museum)

UK-based photographer Thom Atkinson’s series Soldiers’ Inventories – an attempt to explore “the mythology surrounding Britain’s relationship with war”.

Photographer Patrick Halls likes to make the people he takes photos of uncomfortable in order to “capture a real emotion”. It is no wonder that for his latest project, he decided to stun his subjects with a taser.

Seth Casteel is an award-winning photographer and the New York Times Best Selling Author of Underwater Dogs. His new book, Underwater Puppies, was published September 16, 2014. Photo: “Underwater Puppies”: Popcicle. (Photo by Seth Casteel)