 Ramba uchinyora ndima ino - Dhiramu reThree Gorges rinopokana muChina rinokwanisa kuchengeta 22 cubic kilometres emvura yemafashamo paRwizi rweYangtze. Muna 1954, mafashamo akaitika murwizi rwaYangtze akauraya vanhu 33 000 uye akaita kuti vanhu vanopfuura mamiriyoni 18 vasiye misha yavo. Muna 1998 mafashamovakauraya vanhu 4 000 uye vanhu mamiriyoni 180 vakakanganiswa. Mafashamo emadhamu akaita kuti vanhu vanopfuura miriyoni vatame, uye muna August 2009 mvura yakazadza dhamu idzva racho, ikadzivirira mazana emamiriyoni evanhu vaigara pasi pemvura. 