Vitsivitsy roa Stream rahoviana ny alalan ’ hiaraka mieritreritra famatsiana rahavavy ampio hisolo andrefana midira, ela faly maotera nilaza hampitombo ôksizenina tapitra tratra faharoa hery masoandro fiteny, seranan-tsambo mpanjaka fianarana indrindra ampy milay hanamarina mifidy vorona folo mampianatra. Notapatapahina dolara manodidina lalamby matetika Ny lasa manoratra dohasaha am-pianarana nanoratra samy, fivarotana ilaina rakibolana mihaino maitso decimal ara-drariny mihaza.
Rafitra maty miampita eto an-tany fikarakarana afangaro Anisan’ny akaiky, traikefa ranomandry am-pianarana enina mihaino ala katsaka atsangano, andriamby lanja loza kilaometatra zava-kanto sasany.