Chinese workers found in 'slavery-like conditions' in Brazil taken to hotels as probe gets underway / BYD contractor denies 'slavery-like conditions' at a Brazil factory / Chinese automaker BYD denies allegations of 'slavery-like' conditions in Brazilian factory / BYD construction site in Brazil shut over 'slavery-like' conditions / Samba school puts Rio's long-silenced legacy of slavery at center of carnival / Prosecutors demand Brazil’s oldest bank pay reparations for slavery