Before revision: Twenty years ago it was reported that children as young as twelve were working in some mines.Nest 2001, p. 41 Amnesty International, in a joint investigation with African NGO African Resources Watch, in 2016 published a report that found that children even as young as seven years old are working in cobalt (not coltan) mines in the DRC.
After revision: Twenty years ago it was reported that children as young as twelve were working in some mines.Nest 2001, p. 41 Amnesty International, in a joint investigation with African NGO African Resources Watch, in 2016 published a report that found that children even as young as seven years old are working in cobalt mines in the DRC.