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100 Women: The men being taught what harassment feels like
Classes in Nairobi aim to teach boys and young men what constitutes harassment - and how to intervene if they spot it happening on public transport.
Teaching boys that 'real men' would stop rape
"The stories you hear are shocking," says Anthony Njangiru, a field co-ordinator for the Kenyan non-profit Ujamaa, which trains boys like Isaac to help stop violence against women and girls in the slums of the capital, Nairobi.