During World War II, Nazi Germany undertook the imprisonment and summary execution of many of its own citizens, and citizens of the nations they occupied. One of the groups that came under assault was the European Jewish population. More...

Howcast - Learn about the gas chamber in this Howcast basic training video with Sergeant Michael Volkin.

My first view of Majdanek was brutal, the former German Nazi concentration camp is literally situated in the middle of Lublin, a large city in the east of Poland. Surrounded by hundreds of buildings, and thousands of windows, I could...

Indian offiicials have declared a public health emergency in the capital, New Delhi because of deteriorating air quality.

Thick, toxic smog that's 100 times more intense than what's deemed safe by the World Health Organization has blanketed Delhi. Experts say staying outside is like stepping into a gas chamber while Cricket World Cup players are practising...

On Holocaust Remembrance Day, Auschwitz survivor Rosalie Simon shared her story with News 12.

Air pollution in Delhi has dropped from the "severe" level to the "very poor" category in many areas. To combat the pollution, the New Delhi Municipal Corporation has initiated nighttime road cleaning and sweeping across multiple...

Delhi is struggling with severe smog, turning the city into a "gas chamber" as air pollution levels soar to hazardous levels.

Delhi is struggling with severe smog, turning the city into a "gas chamber" as air pollution levels soar to hazardous levels.

Delhi is struggling with severe smog, turning the city into a "gas chamber" as air pollution levels soar to hazardous levels.

Air pollution in the capital Delhi has gone from severe level to very poor category in most places...In an effort to curb pollution levels, ---The New Delhi municipal corporation carried out night cleaning and sweeping of roads at...

India's national capital, New Delhi, woke up to another blanket of smog today after air quality levels worsened past 60 times the World Health Organization's recommended maximum limit on Monday. Pollution extended across North Indian...

A Torah hidden for decades is now being restored by Holocaust survivors. Local survivors gathered at the Holocaust Memorial and Tolerance Center of Nassau County on Thursday to help bring the scroll back to life.

Ancient Jewish Cemetery / Gyongyos Holocaust Memorial / Shots of Adjacent Town / Holocaust Memorial and Cemetery on April 25, 1968 in Gyongyos, Hungary (Footage by Getty Images)

Zoom on tattoo of Holocaust survivor from Auschwitz during the Holocaust in World War II.

A Holocaust Survivor shows her personal photo just after liberation from the concentration camp Auschwitz. Her left arm bears the prisoner number A-18273.

A survivor of the Concentration Camp Auschwitz shows her prisoner tattoo. Auschwitz was part of a Nazi program of extermination during World War II.

Auschwitz II Birkenau extermination camp on November 15, 2014 in Oswiecim, Poland. Ceremonies marking the 70th anniversary of the liberation of the camp by Soviet soldiers are due to take place on January 27, 2015. Auschwitz was a...

Shot on a Red Epic digital cinema camera at 5K.

/ Mauthausen concentration camp - interior of gas chamber.

/ gas chamber, crematorium oven, execution facilities, such as Dissection Room, and the Hanging Place.

/ hand held POV of gas chamber - pipes and shower heads for gas.

/ interior of gas chamber, crematorium oven with medal loading stretcher.

/ hand help POV - back of gas chamber oven around to front, inside the oven with medal stretcher.