▁of ▁the ▁Royal ▁Bank ▁after ▁its ▁decision ▁to ▁move ▁its ▁centre ▁of ▁operations ▁from ▁Place ▁Ville ▁Marie ▁in ▁Montreal ▁to ▁Toronto ▁in ▁the ▁late ▁ 1 9 7 0 s , ▁Royal ▁Bank ▁Pla za ▁consists ▁of ▁a ▁South ▁Tower ▁and ▁a ▁North ▁Tower . ▁The ▁South ▁Tower , ▁a ▁sk ys cra per , ▁is ▁the ▁t aller ▁of ▁the ▁two ▁at ▁; ▁the ▁North ▁Tower ▁has ▁a ▁height ▁of ▁. ▁The ▁structures ▁each ▁have ▁a ▁tri angular ▁foot print ▁and ▁sit ▁on ▁oppos ing ▁corners ▁of ▁the ▁square ▁site . ▁ ▁The ▁ex ter iors ▁of ▁the ▁structures ▁are ▁largely ▁covered ▁with ▁gold - br on ze ▁glass ▁with ▁tan ▁gran ite ▁acc ents . ▁ ▁T ogether , ▁both ▁to wers ▁contain ▁more ▁than ▁ 1 4 , 0 0 0 ▁windows ▁which ▁project ▁from ▁the ▁fac ade ▁to ▁form ▁angular ▁b ays ▁set ▁into ▁br ushed ▁al umin um ▁frames . ▁Due ▁to ▁these ▁ang led - b ays , ▁the ▁buildings ▁are ▁home ▁to ▁many ▁sp iders ▁that ▁have ▁built ▁web s ▁on ▁the ▁outside ▁of ▁Royal ▁Bank ▁Pla za . ▁▁ ▁Six ▁b ays ▁are ▁grouped ▁between ▁pi ers ▁which ▁are ▁covered ▁in ▁the ▁same ▁glass . ▁ ▁The ▁upper ▁stories ▁are ▁re cess ed ▁and ▁contain ▁three ▁larger ▁ang led - b ays ▁between ▁the ▁pi ers . ▁ ▁The ▁double - height ▁entry ▁is ▁also ▁re cess ed ▁from ▁the ▁fac ade ▁and ▁covered ▁in ▁dark - t int ed ▁glass ▁set ▁into ▁dark ▁al