▁or ▁the ▁Hall ▁of ▁Great ▁Ach iev ement , ▁is ▁the ▁architect ural ▁center ▁of ▁the ▁present - day ▁complex . ▁ ▁The ▁hall ▁covers ▁an ▁area ▁of ▁ 5 4 ▁by ▁ 3 4   m ▁and ▁stands ▁slightly ▁less ▁than ▁ 3 2   m ▁tall . ▁It ▁is ▁supported ▁by ▁ 2 8 ▁rich ly ▁decor ated ▁pill ars , ▁each ▁ 6   m ▁high ▁and ▁ 0 . 8   m ▁in ▁diameter ▁and ▁car ved ▁in ▁one ▁piece ▁out ▁of ▁local ▁rock . ▁The ▁ 1 0 ▁columns ▁on ▁the ▁front ▁side ▁of ▁the ▁hall ▁are ▁decor ated ▁with ▁co iled ▁drag ons . ▁It ▁is ▁said ▁that ▁these ▁columns ▁were ▁covered ▁during ▁vis its ▁by ▁the ▁em peror ▁in ▁order ▁not ▁to ▁ar ouse ▁his ▁env y . ▁D ach eng ▁Hall ▁served ▁as ▁the ▁principal ▁place ▁for ▁offering ▁sacrific es ▁to ▁the ▁memory ▁of ▁Conf u cius . ▁It ▁is ▁also ▁said ▁to ▁be ▁one ▁of ▁the ▁most ▁beautiful ▁views ▁of ▁Conf u cius ▁Temple . ▁ ▁A pr ic ot ▁Platform ▁ ▁In ▁the ▁center ▁of ▁the ▁cour ty ard ▁in ▁front ▁of ▁D ach eng ▁Hall ▁stands ▁the ▁X ing ▁Tan ▁Pav il ion ▁( ), ▁or ▁the ▁A pr ic ot ▁Platform . ▁It ▁comm emor ates ▁Conf u cius ▁teaching ▁his ▁students ▁under ▁an ▁apr ic ot ▁tree . ▁ ▁Each ▁year ▁at ▁Qu fu ▁and ▁at ▁many ▁other ▁Conf u cian ▁tem ples ▁a ▁ceremony ▁is ▁held ▁on ▁September ▁