Two young women, having enjoyed a drink at a party, dance together in Tehran, Iran. Although unrelated men and women are forbidden to socialise together many people ignore these strictures in the privacy of their own homes. (Photo by Hossein Fatemi/Reuters/Panos Pictures/Courtesy of World Press Photo Foundation)

An old woman smokes a cigar at Old Havana's Plaza de la Catedral on February 07, 2006 in Havana, Cuba. (Photo by Marco Prosch/Getty Images)

A roadside currency exchange vendor sorts Indian currency notes at his stall in Agartala, India, December 6, 2016. (Photo by Jayanta Dey/Reuters)

A labourer pulls a cart loaded with sacks of spices at a wholesale spice and chemical market in the old quarters of Delhi, India, December 19, 2016. Picture taken December 19, 2016. (Photo by Adnan Abidi/Reuters)

A woman walks up the steps decorated ahead of the Chinese New Year festival in Beijing, China, Thursday, January 12, 2017. The Chinese Lunar New Year is the most important holiday for Chinese and hundreds of millions are expected to return to their hometown to spend the new year with their family and relatives. (Photo by Ng Han Guan/AP Photo)

A person carries a fan in Westminster, London, Britain, 12 July 2022. Britain has been issued with an amber weather warning for the weekend as experts predict that temperatures could rise to the high thirties and Sunday could be the hottest day on record for the UK. (Photo by Tolga Akmen/EPA/EFE/Rex Features/Shutterstock)

A detail shows the shoes of member of the “Luigi De Laurentiis” award jury, US actress Tessa Thompson as she arrives on September 5, 2022 for the screening of the film “Don't Worry Darling” presented out of competition as part of the 79th Venice International Film Festival at Lido di Venezia in Venice, Italy. (Photo by Tiziana Fabi/AFP Photo)

Rooftops of solar powered houses are pictured in Ota, 80 km northwest of Tokyo in this October 28, 2008 file photo. One by one, Japan is turning off the lights at the giant oil-fired power plants that propelled it to the ranks of the world's top industrialised nations. With nuclear power in the doldrums after the Fukushima disaster, it's solar energy that is becoming the alternative. Solar power is set to become profitable in Japan as early as this quarter, according to the Japan Renewable Energy Foundation (JREF), freeing it from the need for government subsidies and making it the last of the G7 economies where the technology has become economically viable. (Photo by Yuriko Nakao/Reuters)