 Ramba uchinyora ndima iyi - Zvibereko zvikuru zvefungi zvinowanzobatanidzwa nokukuvadzwa kwomuti, zvakadai sezvinoitika pakutsva. Ongororo yakaitwa kuNorway yakaratidza kuti miviri yemichero yaigona kuwanikwa munzvimbo dzakapiswa zvakanyanya, zvichienzaniswa nenzvimbo dzakapiswa zvishoma kana kuti dzakapiswa zvine mwero apo miti yairamba ichirarama, kana munzvimbo dzakatemwa. Miti yemichero yaive yakanyanya kuwanda mumasango emichindwe - nemiti yemichero inosvika 700-1000 pa square meter - kupfuura mumasango emichindwe, umo michero yaive shoma. Miviri yemichero yakawedzera nemamiriyoni mugore rakatevera moto weYellowstone wa1988. 