Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: An yi amfani da kogunan Poland tun zamanin da don kewayawa. Alal misali, 'yan Viking sun yi tafiya a kan kogin Vistula da Oder a cikin manyan jiragensu. A tsakiyar zamanai da farkon zamani, lokacin da Polish-Lithuanian Commonwealth ya kasance kwandon burodi na Turai; jigilar hatsi da sauran kayayyakin gona a kan Vistula zuwa Gdańsk da kuma zuwa wasu sassan Turai ya zama mai mahimmanci.A cikin kwarin kogin Pilica a Tomaszów Mazowiecki akwai wata maɓuɓɓugar karst ta musamman ta ruwa mai dauke da gishirin calcium, wanda shine abin kariya a cikin Niebieskie Źródła Nature Reserve a cikin Sulejów Landscape Park. Asalin sunan ajiyar Niebieskie Źródła, wanda ke nufin Blue Springs, ya fito ne daga gaskiyar cewa ruwa mai ruwan sama yana sha da ruwa kuma kawai blue da kore suna nunawa daga kasan bazara, suna ba da wannan launi mara kyau.Tare da kusan rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar rufaffiyar A Turai, Finland ce kawai take da yawan tabkuna. Babban tabkuna, wanda ya rufe fiye da murabba'in kilomita 100, sune Lake Śniardwy da Lake Mamry a Masuria, da Lake Łebsko da Lake Drawsko a Pomerania.  Tambaya: A cikin menene 'yan Viking suka yi tafiya?
jiragen ruwa masu tsawo