8 , ▁M ug ai ▁El u ▁and ▁T um ena ▁S ag au kaz ▁left ▁Sa ib ai ▁with ▁their ▁families ▁and ▁moved ▁to ▁Red ▁Island ▁Point . ▁The ▁Island ers ▁at ▁Mut te e ▁He ads ▁re located ▁to ▁a ▁new ▁settlement ▁in land ▁from ▁Red ▁Island ▁Point ▁in ▁ 1 9 5 2 . ▁The ▁new ▁settlement ▁was ▁named ▁B am aga ▁in ▁honour ▁of ▁the ▁leader ▁of ▁the ▁migration , ▁B am aga ▁G in au . ▁The ▁smaller ▁community ▁at ▁Red ▁Island ▁Point ▁changed ▁its ▁name ▁to ▁Se is ia ▁in ▁ 1 9 7 7 . ▁ ▁After ▁gain ing ▁its ▁independence ▁from ▁Australia ▁in ▁ 1 9 7 5 , ▁Pap ua ▁New ▁Guinea ▁assert ed ▁its ▁right ▁to ▁the ▁islands ▁and ▁waters ▁of ▁the ▁Tor res ▁Stra its . ▁In ▁December ▁ 1 9 7 8 , ▁a ▁treat y ▁was ▁signed ▁by ▁the ▁Australian ▁and ▁Pap ua ▁New ▁Guinea ▁govern ments ▁that ▁described ▁the ▁boundaries ▁between ▁the ▁ 2 ▁countries ▁and ▁the ▁use ▁of ▁the ▁sea ▁area ▁by ▁both ▁parties . ▁The ▁Tor res ▁Stra it ▁Tre aty , ▁which ▁operated ▁from ▁February ▁ 1 9 8 5 , ▁contains ▁special ▁provision ▁for ▁free ▁movement ▁( without ▁pass ports ▁or ▁vis as ) ▁between ▁both ▁countries . ▁There ▁is ▁constant ▁traffic ▁throughout ▁the ▁year ▁between ▁Sa ib ai ▁and ▁Pap ua ▁New ▁Guinea . ▁Free ▁movement ▁between ▁communities ▁applies ▁to ▁traditional ▁activities , ▁such ▁as ▁fish ing , ▁trad ing ▁and ▁family ▁gather ings