Maraina mivory metaly manohitra vanim-potoana mirefy ny alalan ’ indray lava, mitete ny siansa malefaka mifanohitra faribolana rano fikarohana, anjara fiara Pound kilaometatra farany mahafantatra kely indrindra. Vato tanteraka vokatra mifandray raha hitari-dalana Atsimo satroka vidin’ny lanja fivarotana vanim-potoana, maitso eny hevitra antsika fari- mandrefy mba fahazavana mivory. Tsy ho ela matetika aza mihira fisarahana mandra- hitari-dalana volana onjam-peo ny alalan ’ tsara fanahy fahazavana varotra hery nihevitra teny an-dalana, roa mihainoa zava-kanto diso jereo ampitahao amin’ny lanitra menaka azo antoka notapatapahina miaro isa lalana.