Japhet Koena is 30 and has been working as a prison warder in Papua New Guinea for seven years. The prison is near the town of Mount Hagen, which has a population of 40,000, making it one of the biggest in the country.
Lakshmi Venugopal, 58, belongs to a caste that used to be known for its prosperous role in business and for its hospitality. Over the years, however, its status has changed and its members are no longer generally so affluent.
Evgenia Kalugina is 35 years old and an electrician. She lives with her husband, her 16-year-old daughter and a chameleon in Sloviansk, north of Donetsk. The town is near the frontline of the war in eastern Ukraine.