Leitura importante sobre este assunto das minas de carvão e exploração infantil:
https://odiariodeumet.wordpress.com/2017/07/29/marcelo-reptiliano-de-sousa-e-o-camiao-electrico/
https://odiariodeumet.wordpress.com/2017/08/10/carbonaria-carbono-carvao/#comment-1508
https://odiariodeumet.wordpress.com/2017/08/10/carbonaria-carbono-carvao/#comment-1517
https://odiariodeumet.wordpress.com/2017/08/10/carbonaria-carbono-carvao/#comment-1526
https://odiariodeumet.wordpress.com/2017/08/10/carbonaria-carbono-carvao/#comment-1529