Mepụta ụdị nke ahịrịokwu a nke dị mgbagwoju anya Osimiri a na-amalite dị ka Agra Oya, na Horton Plains na Central Highlands.
N'ezie, ụdị ahịrịokwu dị mgbagwoju anya bụ "Osimiri ahụ na-amalite dị ka Agra Oya, na Horton Plains na Central Highlands nke nwere oke mmiri ozuzo kwa afọ n'etiti 125 na 200 sentimita asatọ kwa afọ. "