Wadongo works on the lantern project full time without pay and eats only one meal a day to help save money and build more lanterns.

CNN: 'Saving lives' with solar-powered lights

Race Point Light on Cape Cod, Massachusetts doesn't have electricity-just gas lanterns-and the generator runs for barely two hours a day.

FORBES: OUTSIDE THE EMPIRE

Friends of the teenager released lanterns in her honour outside her school, Fred Longworth High School, in Tyldesley the day after she was attacked by what police described as "aggressive and out of control" dogs.

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