The Tabernacle is set up, and God lays out very specific plans for sacrifices, and very specific rules for the place where He dwells, the Most Holy Place.  Only once per year could the high priest enter it, on the Day of Atonement.  What is atonement?  When was the last time you celebrated it?  And if you never have, what does it have to do with us today?  Even more so, what does it have to do with Jesus?