I can only repeat what my late father told me. The wooden building appeared to be disguised as a shower room with a water tank on the roof. He did mention that there was a crematorium oven nearby but I cannot remember exactly what he said. My father died in 1972 so my memories are over 30 years old. He did explore the complex which had been built recently and noted the blast proof hermetically sealed doors. There was a hatch in the ceiling leading to the hut above. Each hatch was also hermetically sealed and identified by a letter and a number such as A3.
British troops guard Alex Pickowski, Camp Commandant of Dechau concentration camp  © The discovery of Belsen brought home the shocking truth about Nazi atrocities, but the facts had been known for some time. As early as the summer of 1941, British signals intelligence had intercepted and decoded radio messages from German police units co-operating with the Einsatzgruppen, and details of the killings of Jews were included in the monthly summaries that were sent to Churchill. Churchill responded with a speech on August 24 1941 in which he called the massacres 'a crime without a name' but erroneously identified the victims as 'Russian patriots defending their native soil'. Otherwise, these facts were not made public.
The camp administration gave him the "black triangle" badge of the "asocials" because he was accused of homosexual conduct as well as anti-Nazi activity. He was one of the few priests imprisoned in the Dachau KZ to survive the work caring for inmates dying of highly infectious typhus at the end of the war. Roth remained in Dachau as a priest for the SS men interned there by the US Army after July 1945. When that internment camp was dissolved and the Bavarian government converted the camp to housing for German refugees from Czechoslovakia in 1948, Roth remained as their "curate" (he had been demoted from priest status). A stern but well-liked pastor, he worked tirelessly to better the living conditions of the refugees. Around 1957 he joined the Dachau camp survivors' organization as a representative of the priests who had been imprisoned in the camp. By 1960 he was in heated conflict with the Catholic hierarchy in Bavaria. Relieved of his post in the refugee settlement, he took his own life.
Although many people responded with obstructionism and doubt,  several rescue operations were run throughout Axis-controlled Europe. Some were the work of prominent individuals like Raoul Wallenberg and Carl Lutz who worked largely alone while other operations were far more complex. A network of Catholic bishops and clergymen organized local protests and shelter campaigns throughout much of Europe that are today estimated to have saved 860,000 lives. Danish fishermen clandestinely ferried more than 7,000 Jews into neutral Sweden while the French town of Chambon-sur-Lignon sheltered between 3,000 and 5,000 refugees.
On 15 September 1935, the Reichstag passed the Reich Citizenship Law and the Law for the Protection of German Blood and German Honor, known as the Nuremberg Laws. The former said that only those of "German or kindred blood" could be citizens. Anyone with three or more Jewish grandparents was classified as a Jew.[107] The second law said: "Marriages between Jews and subjects of the state of German or related blood are forbidden." Sexual relationships between them were also criminalized; Jews were not allowed to employ German women under the age of 45 in their homes.[108] The laws referred to Jews but applied equally to the Roma and black Germans.[107]
In the summer of 1943, Stalag XI-C (311) was dissolved and Bergen-Belsen became a branch camp of Stalag XI-B. It served as the hospital for all Soviet POWs in the region until January 1945. Other inmates/patients were Italian military internees from August 1944 and, following the suppression of the Warsaw Uprising in October 1944, around 1,000 members of the Polish Home Army were imprisoned in a separate section of the POW camp.[6]