She said her husband had just died from cancer and she had only one child. She added that she was a rural migrant worker here and she hoped her son could attend a school right in this city.

她突然哭了起来，她说我在城里打工，我丈夫刚刚因癌症去世，现在就这一个孩子，我希望他在我的身边能够上学。

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It follows the story of Margaret Humphreys, the Nottingham social worker who first became aware of the problem when a child migrant contacted her from Sydney in the hope of retracing her British parents.

BBC: Oranges and Sunshine