On January 27, 1945 Soviet troops liberated the Nazi concentration camps Auschwitz and Birkenau in Poland
"The nearly two tons of hair shorn from prisoners for use in German products is exhibited in cases but, as human remains, will be allowed to decay."
from a Smithsonian article on the daunting task of saving and preserving the history of the horror that took place at Auschwitz and Birkenau while seeing more than 1 million visitors in 2009.
http://www.smithsonianmag.com/history-archaeology/Can-Auschwitz-Be-Saved.html
see the link for the full story
