▁the ▁vict ims ▁in ▁Be ł ż ec . ▁An ita ▁Ek stein ▁has ▁led ▁many ▁groups ▁of ▁students ▁on ▁educational ▁tri ps ▁to ▁Poland ▁where ▁she ▁shares ▁her ▁Hol oca ust ▁story . ▁She ▁first ▁visited ▁Be ł ż ec ▁in ▁ 2 0 0 5 , ▁a ▁year ▁after ▁the ▁new ▁mem orial ▁opened , ▁and ▁discovered ▁her ▁mother ' s ▁name ▁ins cribed ▁on ▁the ▁mem orial ▁wall ▁on ▁Mother ' s ▁Day . ▁ ▁Ar che ological ▁studies ▁From ▁late ▁ 1 9 9 7 ▁until ▁early ▁ 1 9 9 8 , ▁a ▁thorough ▁arch ae ological ▁survey ▁of ▁the ▁site ▁was ▁conducted ▁by ▁a ▁team ▁led ▁by ▁two ▁Polish ▁scient ists ▁including ▁And r zej ▁K ola , ▁director ▁of ▁the ▁Under water ▁Arch ae ological ▁Department ▁at ▁the ▁University ▁of ▁Tor u ń , ▁and ▁Mie cz ys ław ▁Gó ra , ▁senior ▁cur ator ▁of ▁the ▁Museum ▁of ▁Arch ae ology ▁and ▁Eth n ography ▁in ▁Ł ód ź ▁( pl ). ▁The ▁team ▁identified ▁the ▁railway ▁sid ings ▁and ▁remains ▁of ▁a ▁number ▁of ▁buildings . ▁They ▁also ▁found ▁ 3 3 ▁mass ▁gra ves , ▁the ▁largest ▁of ▁which ▁had ▁an ▁area ▁of ▁ ▁and ▁was ▁ ▁deep . ▁The ▁total ▁volume ▁of ▁these ▁mass ▁gra ves ▁was ▁estimated ▁at ▁. ▁Air ▁photo ▁analysis ▁suggests ▁that ▁these ▁ 3 3 ▁mass ▁gra ves ▁were ▁not ▁the ▁only ▁gra ves ▁at ▁Be ł ż ec ▁ex termin ation ▁camp . ▁ ▁All ▁gra ves