▁and ▁there ▁was ▁a ▁sou venir ▁shop ▁and ▁postal ▁out let . ▁R ent oul ' s ▁le ase ▁exp ired ▁in ▁ 1 9 7 1 , ▁and ▁the ▁p yl on ▁and ▁its ▁look out ▁remained ▁closed ▁to ▁the ▁public ▁for ▁over ▁a ▁de cade . ▁ ▁The ▁p yl on ▁was ▁re open ed ▁in ▁ 1 9 8 2 , ▁with ▁a ▁new ▁exhibition ▁celebr ating ▁the ▁bridge ' s ▁ 5 0 th ▁anni versary . ▁In ▁ 1 9 8 7 ▁a ▁" B ic ent enn ial ▁Ex hib ition " ▁was ▁opened ▁to ▁mark ▁the ▁ 2 0 0 th ▁anni versary ▁of ▁European ▁settlement ▁in ▁Australia ▁in ▁ 1 9 8 8 . ▁ ▁The ▁p yl on ▁was ▁closed ▁from ▁April ▁to ▁November ▁ 2 0 0 0 ▁for ▁the ▁Ro ads ▁& ▁Tra ffic ▁Author ity ▁and ▁Bridge C lim b ▁to ▁create ▁a ▁new ▁exhibition ▁called ▁" Pr oud ▁Arch ". ▁The ▁exhibition ▁foc uss ed ▁on ▁Brad field , ▁and ▁included ▁a ▁glass ▁direction ▁find er ▁on ▁the ▁observation ▁level , ▁and ▁various ▁important ▁her itage ▁items . ▁ ▁The ▁p yl on ▁again ▁closed ▁for ▁four ▁weeks ▁in ▁ 2 0 0 3 ▁for ▁the ▁installation ▁of ▁an ▁exhib it ▁called ▁" D anger ous ▁Works ", ▁highlight ing ▁the ▁dangerous ▁conditions ▁experienced ▁by ▁the ▁original ▁construction ▁workers ▁on ▁the ▁bridge , ▁and ▁two ▁st ained ▁glass ▁feature ▁windows ▁in ▁memory ▁of ▁the ▁workers . ▁ ▁Bridge C lim