▁rear ▁elev ation ▁facing ▁into ▁the ▁bast ion ▁is ▁functional ▁and ▁plain ▁in ▁appearance . ▁ ▁Building ▁ 2 , ▁also ▁known ▁as ▁the ▁Men ' s ▁Bar ra cks , ▁was ▁formerly ▁the ▁arm ory ▁and ▁pow der ▁magazine . ▁It ▁faces ▁the ▁para de ▁ground ▁near ▁the ▁thro at ▁of ▁the ▁Prince ▁of ▁Wales ▁Bast ion . ▁It ▁is ▁a ▁long , ▁rect angular , ▁two ▁story ▁m ason ry ▁building ▁built ▁of ▁smooth ▁lim estone ▁with ▁a ▁hi pped ▁roof ▁cl ad ▁in ▁sheet ▁co pper . ▁The ▁main ▁fa ç ade ▁of ▁the ▁building ▁has ▁little ▁orn ament ation ▁and ▁is ▁reg ulated ▁and ▁order ly , ▁with ▁small , ▁regularly ▁placed , ▁multi - pan ed ▁windows . ▁ ▁Building ▁ 5 , ▁the ▁Form er ▁Pow der ▁Magazine , ▁is ▁a ▁low , ▁rect angular ▁stone ▁structure ▁with ▁a ▁g abled ▁roof ▁and ▁a ▁surrounding ▁protect ive ▁bl ast ▁wall . ▁Two ▁doors ▁at ▁ground ▁level ▁and ▁three ▁open ings ▁at ▁g able ▁level ▁pier ce ▁the ▁symmet rical ▁fa ç ade . ▁Al ong ▁the ▁plain ▁side ▁elev ations ▁are ▁three ▁half - bar rel - v ault ed ▁pass ages , ▁or ▁travers es , ▁two ▁on ▁the ▁west ▁and ▁one ▁on ▁the ▁east . ▁ ▁Building ▁ 7 , ▁also ▁known ▁as ▁the ▁Memorial ▁Building , ▁forms ▁part ▁of ▁a ▁complex ▁of ▁three ▁structures , ▁which ▁includes ▁a ▁chap el ▁and ▁a ▁work shop , ▁situated ▁near ▁the ▁para de ▁ground . ▁They ▁are