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WHAT IT SHOWS: Elizabeth Mukwimba is a 62-year-old Tanzanian woman who now has solar lighting and electricity in her home at the flick of a switch, thanks to a scheme backed by UK aid.
Elizabeth has had an M-Power solar panel and lights fitted in her home by Off Grid Electric, a private sector company dedicated to providing sustainable, affordable energy to people in developing countries who aren't connected to the electricity grid.
It means that Elizabeth now has lighting at home at night, which means she doesn't have to buy expensive kerosene. The money she's saved already has helped her put a new tin roof on her house. It also means her grandchildren can read and do their homework in the evening.