Kana isu tiine sedenho yemunhu kuti tiite shanu dzenzizi nzizi muhupenyu hwedu, ndinokurudzira kuti utange nazvo Europe, neDanube neRhine, chingave chikumbiro changu, saka muSouth America zvakakosha kuti ushanyire uye uzive iyo Amazon, muAfrica dzinonyanya kuzivikanwa ndidzo kufamba kwechikepe pa Nile, uye vatove muAsia parwizi Mekong.
Imwe yeizi nzizi ine rwiyo rwayo rwemvura inoyerera, nzvimbo dzayo, fauna, mazango, chandinogona kukuvimbisa ndechekuti hapana inokusiya usina hanya.
- El Danube ndeimwe yenzira dzinokosha dzemvura muEurope, mvura dzayo dzinopfuura nemunyika gumi Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Bulgaria, Romania, Moldova neUkraine, saka nzira dzawo dzakasiyana zvakanyanya. Ukabaya ichi chinyorwa iwe uchave uine chimwe cheaya mazano.
- El Rin Ndiyo imwe yenzizi huru dzeEurope, rwendo rwepakati peEurope panzira yemvura inoshandiswa zvakanyanya muEuropean Union. Nzira yeimba kumahombekombe eRhine inozivikanwa kwazvo.
- Kuyambukira kune rimwe divi renyika, nzendo shomanana dzinobatsira kuti uzive zvisikwa sekushanya kwazviri. Amazon kusiya kushushikana uye hupenyu "hwakasimukira" kunhandare yendege. Vhura ichi chinyorwa une muenzaniso, asi ndizvo chete, muenzaniso.
- Rwendo rwekuIjipita rwaisazove rwakakwana kana iwe usina kutora a Nile cruise, imwe yenzizi dzakakurumbira uye dzechiratidzo munyika, izvo zvinoita kuti chive chiitiko chisingakanganwike. Iyo base cruise inowanzo kuve mazuva mana kubva kuLuxor kuenda kuAswan.
- Rwizi Mekong, anosiya Cambodia kumashure kwake ndokuyambuka Vietnam. Munzira iyi, huwandu hwevanhu vanoudaidza kuti Largo Cuu kana mapfumbamwe Dhiragoni, nekuti mudelari yakakamurwa kuita nzizi gumi nembiri isati yaerera ichienda mumvura dzinopisa dzeSouth China Sea. Iyo yakazara show yerunako. Kuti uwane rumwe ruzivo nezve izvi kana rumwe rwendo unogona kubaya pano.