umann ' s ▁original ▁project ▁in ▁ 1 9 0 1 ; ▁ ▁Set ▁up ▁of ▁flower ▁b eds ▁of ▁annual ▁plants ; ▁ ▁A ▁new ▁flower ▁display ▁for ▁The ▁Arch er ; ▁ ▁A ▁children ' s ▁play ground ▁equ ipped ▁with ▁out door ▁musical ▁instruments ▁( d rum , ▁tub ular ▁b ells ▁and ▁x y lo phone ); ▁ ▁New ▁light ing ▁and ▁monitoring ▁system ▁installed . ▁ ▁Ren ov ation ▁cost ed ▁ 4 . 8 ▁million ▁Polish ▁z ł oty . ▁The ▁newly ▁ref urb ished ▁park ▁was ▁open ▁on ▁August ▁ 1 3 , ▁ 2 0 1 5 ▁ ▁The ▁re - const ruction ▁of ▁the ▁park ▁happened ▁at ▁the ▁same ▁time ▁as ▁the ▁re - building ▁of ▁the ▁new ▁" son ▁et ▁lum ière ▁f ount ain " ▁before ▁the ▁P omer an ian ▁Phil harm onic ▁building , ▁launched ▁on ▁May ▁ 2 3 , ▁ 2 0 1 4 ). ▁ ▁Since ▁its ▁creation , ▁the ▁park ▁bore ▁the ▁following ▁names : ▁ ▁From ▁ 1 9 0 1 ▁to ▁ 1 9 2 0 , ▁and ▁from ▁ 1 9 3 9 ▁to ▁ 1 9 4 5 ▁- ▁B ism ark ▁G arten ; ▁ ▁From ▁ 1 9 2 0 ▁to ▁ 1 9 3 9 , ▁and ▁since ▁ 1 9 4 5 ▁- ▁Park ▁im . ▁J ana ▁Koch an ow skiego . ▁ ▁Park ▁names ake ▁is ▁Jan ▁Koch an owski ▁( 1 5 3 0 –