The Herero people were starved nearly to death and were tortured beyond belief.
http://en.wikipedia.org/wiki/Herero_and_Namaqua_Genocide
"camp or graveyard?"
The concentration camps aren't exactly what you imagine, theyre just small huts that barely shelter the Herero people from nature. http://saharanvibe.blogspot.com/2011/09/herero-and-namaqua-genocide-20th.html
"THe Doctor"
Eugen Fischer was a doctor who studied the children that were born to the raped mothers. His views on German superiority inspired Hitler. http://saharanvibe.blogspot.com/2011/09/herero-and-namaqua-genocide-20th.html
"Skulls for sale"
German Soldiers would cut off the heads of the Herero men and Women to sell to scientist and museums who wished to present those kinds of things. http://saharanvibe.blogspot.com/2011/09/herero-and-namaqua-genocide-20th.html
"Chained to sorrow"
While most can escape their sorrow, the Herero people were literally and metaphorically chained to their sorrow. They were unable to forget their pain until they eventually were killed. http://saharanvibe.blogspot.com/2011/09/herero-and-namaqua-genocide-20th.html