Within the area of the Omarska mining complex that was used for the camp, the camp authorities generally confined the prisoners in three different buildings: the administration building, where interrogations and killings took place; the crammed hangar building; the "white house", where the inmates were tortured; and on a cement courtyard area between the buildings known as the "pista", an L-shaped strip of concrete land in between, also a scene of torture and mass killings. There was another small building, known as the "red house", where prisoners were sometimes taken in order to be summarily executed. With the arrival of the first detainees, permanent guard posts and anti-personnel landmines were set up around the camp. The conditions in the camp were horrible. In the building known as the "white house", the rooms were crowded with 45 people in a room no larger than . The faces of the detainees were distorted and bloodstained and the walls were covered with blood. From the beginning, the detainees were beaten with fists, rifle butts and wooden and metal sticks. The guards mostly hit the heart and kidneys whenever they decided to beat someone to death. In the "garage", between 150 and 160 people were "packed like sardines" and the heat was unbearable. For the first few days, the detainees were not allowed out and were given only a jerry can of water and some bread. Men would suffocate during the night and their bodies would be taken out the following morning. The room behind the restaurant was known as "Mujo’s Room". The dimensions of this room were about and the average number of people detained there was 500, most of whom were Bosniaks. The women in the camp slept in the interrogations rooms, which they would have to clean each day as the rooms were covered in blood and pieces of skin and hair. In the camp one could hear the moaning and wailing of people who were being beaten.