is ▁were ▁ra ided ▁by ▁war riors ▁of ▁the ▁Mar ind - Anim ▁or ▁T ug eri ▁people ▁from ▁Dutch - control led ▁West ▁Pap ua . ▁A ▁ret ali atory ▁expedition ▁led ▁by ▁British ▁officials ▁based ▁in ▁Dar u ▁in ▁ 1 8 9 6 ▁dimin ished ▁the ▁threat ▁of ▁the ▁Mar ind - Anim ▁but ▁sp or adic ▁ra ids ▁on ▁Sa ib ai , ▁Bo igu ▁and ▁M t ▁Corn wall is ▁islands ▁and ▁Pap ua ▁continued ▁well ▁into ▁the ▁ 1 9 2 0 s . ▁ ▁The ▁English ▁scient ist ▁and ▁anth rop ologist ▁Alfred ▁Cort ▁H add on ▁first ▁visited ▁the ▁Tor res ▁Stra its ▁in ▁ 1 8 8 8 . ▁H add on ▁originally ▁came ▁to ▁the ▁Tor res ▁Stra its ▁to ▁study ▁the ▁cor al ▁re ef s ▁but ▁soon ▁became ▁fasc in ated ▁by ▁the ▁traditional ▁culture ▁and ▁way ▁of ▁life ▁of ▁the ▁Tor res ▁Stra it ▁Island er ▁people . ▁H add on ▁returned ▁to ▁the ▁Tor res ▁Stra its ▁in ▁ 1 8 9 8 ▁with ▁the ▁Cambridge ▁University ▁anth rop ological ▁expedition . ▁The ▁Cambridge ▁expedition ▁spent ▁ 7 ▁months ▁in ▁the ▁Tor res ▁Stra its ▁including ▁a ▁stay ▁at ▁Sa ib ai , ▁document ing ▁the ▁Tor res ▁Stra it ▁Island er ▁people ▁and ▁their ▁culture . ▁The ▁expedition ▁collected ▁arte fact s , ▁took ▁down ▁gene alog ies , ▁re - created ▁cer emon ies ▁and ▁used ▁w ax ▁cyl ind ers ▁and ▁early ▁movie ▁cam eras ▁to