Río Otún vs Krakow

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The Otún River (Río Otún) is a river in the Risaralda department of Colombia. Its source is Lake Otún, fed by meltwater from Nevado Santa Isabel, and its outlet is the Cauca River. The Otún River passes between the cities of Pereira and Dosquebradas, and is crossed at that point by the César Gaviria Trujillo Viaduct, one of the largest cable-stayed bridges in South America. The Otún River is the only source of drinking water for Pereira and Dosquebradas.

The local water company takes about 1.8 cubic metres per second (64 cu ft/s) from the river at a site known as Nuevo Libaré. Agricultural development in that region has affected the quality of the water from the river, with pig and chicken farms as well as human waste water being major sources of bacteriological contamination.[1]The river passes through several protected zones including the Otún Quimbaya Flora and Fauna Sanctuary.

Source: Wikipedia

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Kraków (, also US: , UK: , Polish: [ˈkrakuf] (listen)), written in English as Krakow and traditionally known as Cracow, is the second-largest and one of the oldest cities in Poland. Situated on the Vistula River in Lesser Poland Province, the city dates back to the 7th century. Kraków was the official capital of Poland until 1596 and has traditionally been one of the leading centres of Polish academic, economic, cultural and artistic life. Cited as one of Europe's most beautiful cities, its Old Town was declared the first UNESCO World Heritage Site in the world. The city has grown from a Stone Age settlement to Poland's second-most-important city. It began as a hamlet on Wawel Hill and was reported as a busy trading centre of Central Europe in 965. With the establishment of new universities and cultural venues at the emergence of the Second Polish Republic in 1918 and throughout the 20th century, Kraków reaffirmed its role as a major national academic and artistic centre. The city has a population of about 780,000, with approximately 8 million additional people living within a 100 km (62 mi) radius of its main square.After the invasion of Poland by Nazi Germany at the start of World War II, the newly defined Distrikt Krakau (Kraków District) became the capital of Germany's General Government. The Jewish population of the city was forced into a walled zone known as the Kraków Ghetto, from which they were sent to German extermination camps such as the nearby Auschwitz, and the Nazi concentration camps like Płaszów.

However, the city was spared from destruction and major bombing. In 1978, Karol Wojtyła, archbishop of Kraków, was elevated to the papacy as Pope John Paul II—the first non-Italian pope in 455 years. Also that year, UNESCO approved Kraków's entire Old Town and historic centre as its first World Heritage List alongside Quito. Kraków is classified as a global city with the ranking of "high sufficiency" by the Globalization and World Cities Research Network. Its extensive cultural heritage across the epochs of Gothic, Renaissance and Baroque architecture includes the Wawel Cathedral and the Royal Castle on the banks of the Vistula, the St. Mary's Basilica, Saints Peter and Paul Church and the largest medieval market square in Europe, the Rynek Główny. Kraków is home to Jagiellonian University, one of the oldest universities in the world and traditionally Poland's most reputable institution of higher learning. In 2000, Kraków was named European Capital of Culture. In 2013, Kraków was officially approved as a UNESCO City of Literature. The city hosted the World Youth Day in July 2016.

Source: Wikipedia