Auschwitz-Birkenau.Photo: Galerie Bilderwelt/Getty

Auschwitz-Birkenau

Every year, on Jan. 27, people around the world pause for International Holocaust Remembrance Day to reflect on the dark period in history, and to remember the liberation of Auschwitz, which took place on that date in 1945.

Here, haunting photos from the site.

01of 15Portraits of AuschwitzAuschwitz-Birkenau.Pictured here, the train tracks leading to the camp.

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Portraits of Auschwitz

Auschwitz-Birkenau.

Auschwitz-Birkenau

Pictured here, the train tracks leading to the camp.

02of 15Portraits of AuschwitzAuschwitz-Birkenau.Christopher Furlong/GettyAn aerial view of the Auschwitz I extermination camp in Oswiecim, Poland.

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Auschwitz-Birkenau.Christopher Furlong/Getty

Auschwitz-Birkenau

An aerial view of the Auschwitz I extermination camp in Oswiecim, Poland.

03of 15Portraits of AuschwitzAuschwitz-Birkenau.Northcliffe Collection/ANL/ShutterstockWomen prisoners are pictured here in their bunks.

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Auschwitz-Birkenau.Northcliffe Collection/ANL/Shutterstock

Auschwitz-Birkenau

Women prisoners are pictured here in their bunks.

04of 15Portraits of AuschwitzAuschwitz-Birkenau.Votava/Imagno/GettyChildren who survived the death camp are pictured shortly after the liberation.

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Auschwitz-Birkenau.Votava/Imagno/Getty

Auschwitz-Birkenau

Children who survived the death camp are pictured shortly after the liberation.

05of 15Portraits of AuschwitzAuschwitz-Birkenau.Votava/Imagno/GettySeven tons of hair were found after the liberation of the Auschwitz concentration camp, in the depots.

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Auschwitz-Birkenau

Seven tons of hair were found after the liberation of the Auschwitz concentration camp, in the depots.

06of 15Portraits of AuschwitzAuschwitz-Birkenau.Sovfoto/Universal Images Group via GettyA photo of 15-year-old Ivan Dudnik being rescued from the camp in February 1945.

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Auschwitz-Birkenau.Sovfoto/Universal Images Group via Getty

Auschwitz-Birkenau

A photo of 15-year-old Ivan Dudnik being rescued from the camp in February 1945.

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Auschwitz-Birkenau.Galerie Bilderwelt/Getty

Auschwitz-Birkenau

08of 15Portraits of AuschwitzAuschwitz-Birkenau.Galerie Bilderwelt/GettySurvivors of Auschwitz leaving the camp at the end of World War II in February 1945.

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Auschwitz-Birkenau

Survivors of Auschwitz leaving the camp at the end of World War II in February 1945.

09of 15Portraits of AuschwitzAuschwitz-Birkenau.Galerie Bilderwelt/GettyCrematorium III at Auschwitz concentration camp, Poland, taken in January 1945.

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Auschwitz-Birkenau

Crematorium III at Auschwitz concentration camp, Poland, taken in January 1945.

10of 15Portraits of AuschwitzAuschwitz-Birkenau.Galerie Bilderwelt/GettySS Heinrich Himmler and Chief Engineer Max Faust during Himmler’s visit to Auschwitz in July 1942.

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Auschwitz-Birkenau

SS Heinrich Himmler and Chief Engineer Max Faust during Himmler’s visit to Auschwitz in July 1942.

11of 15Portraits of AuschwitzAuschwitz-Birkenau.STANISLAW MUCHA/HANDOUT/EPA-EFE/ShutterstockPiles of personal belongings left after mass extermination at Auschwitz-Birkenau.

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Auschwitz-Birkenau.STANISLAW MUCHA/HANDOUT/EPA-EFE/Shutterstock

Auschwitz-Birkenau

Piles of personal belongings left after mass extermination at Auschwitz-Birkenau.

12of 15Portraits of AuschwitzAuschwitz-Birkenau.Scott Barbour/GettyA mass of footwear removed from the men, women and children, taken at the Auschwitz Concentration Camp Museum.

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Auschwitz-Birkenau.Scott Barbour/Getty

Auschwitz-Birkenau

A mass of footwear removed from the men, women and children, taken at the Auschwitz Concentration Camp Museum.

13of 15Portraits of AuschwitzAuschwitz-Birkenau.Sean Gallup/GettyRose Schindler, a survivor of the Auschwitz-Birkenau concentration camp, walks through the camp with her granddaughter, husband and sons.Schindler arrived at Auschwitz as a 14-year-old Jewish girl from Czechoslovakia in 1944, and spent three months there, during which time her mother, father and sisters were killed. She met her husband, Max, after the war as refugees in Great Britain, where they married.

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Auschwitz-Birkenau.Sean Gallup/Getty

Auschwitz-Birkenau

Rose Schindler, a survivor of the Auschwitz-Birkenau concentration camp, walks through the camp with her granddaughter, husband and sons.

Schindler arrived at Auschwitz as a 14-year-old Jewish girl from Czechoslovakia in 1944, and spent three months there, during which time her mother, father and sisters were killed. She met her husband, Max, after the war as refugees in Great Britain, where they married.

14of 15Portraits of AuschwitzAuschwitz-Birkenau.Sean Gallup/GettyRomanian-born Jack Rosenthal, who was imprisoned at Auschwitz and other concentration camps at 14 years old, stands outside the former Auschwitz I concentration camp as he points to the number tattoo he received from the Nazis.

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Auschwitz-Birkenau

Romanian-born Jack Rosenthal, who was imprisoned at Auschwitz and other concentration camps at 14 years old, stands outside the former Auschwitz I concentration camp as he points to the number tattoo he received from the Nazis.

15of 15Portraits of AuschwitzAuschwitz-Birkenau.SAKIS MITROLIDIS/AFP via GettyHolocaust survivor Moshe Aelion poses holding a flower in front of a train-wagon in the old railway station in Thessaloniki, Greece, during a commemoration marking the departure of the first train from the northern Greek city to the Auschwitz concentration camp in Poland, on March 15, 1943.

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Auschwitz-Birkenau.SAKIS MITROLIDIS/AFP via Getty

Auschwitz-Birkenau

Holocaust survivor Moshe Aelion poses holding a flower in front of a train-wagon in the old railway station in Thessaloniki, Greece, during a commemoration marking the departure of the first train from the northern Greek city to the Auschwitz concentration camp in Poland, on March 15, 1943.

source: people.com