The most holy place was in the back of the temple, and it was nine metres square. Cedar boards standing from floor to ceiling separated it from the rest of the temple.
When the Israelites are ready to move their camp, Aaron and his sons will enter the tent and take down the curtain that separates the sacred chest from the rest of the tent. They will cover the chest with this curtain,
However, only the high priest could go into the second part of the tent, and he went in only once a year. Each time he carried blood to offer for his sins and for any sins that the people had committed without meaning to.