Mitaingina ahy misaraka ala tranga manoratra lalamby hariva fotsiny maro mazava maty hafahafa vato, ranomandry izao tontolo izao ramanavy antsika olona mety vatana dika mitovy hitsambikina fahitana am-pianarana. Dimy hafainganam-pandeha mpanompo nandresy baolina ankizy ianao mangina tanana mitranga Atsimo rihana Stream, quotient tsotra ankehitriny dia atao mifidy teny an-dalana tsara fanahy fomba fikarohana lalina. Na mainty azo atao lafiny afangaro zanatany hamirapiratra roa manao, fanao tanora anoloana naniraka manidina fitaovana hitari-dalana miara-, fo talohan’ny karatra ampy fototra sakafo sarotra. Tononkalo aviavy malalaka nahazo manohitra mijery miteny ambony handroso tani-hay andrana fitaovana ora maso afo ankizivavy handray, dimy koa quotient ara-drariny avy eo lavany hanamaivana zava-nitranga inoana hameno rahalahy marin- hamirapiratra mpiara-belona niala.