Title: Finland
Content: Rally champions Juha Kankkunen and Tommi Mäkinen; and 13-time World Enduro Champion Juha Salminen, seven-time champion Kari Tiainen, and the five-time champions Mika Ahola, biathlete Kaisa Mäkäräinen and Samuli Aro. Finland is also one of the most successful nations in bandy, being the only nation beside Russia and Sweden to win a Bandy World Championship. The 1952 Summer Olympics were held in Helsinki. Other notable sporting events held in Finland include the 1983 and 2005 World Championships in Athletics. Finland also has a notable history in figure skating. Finnish skaters have won 8 world championships and 13 junior world cups

Title: Kuusaankoski
Content: Kuusaankoski Kuusaankoski (meaning: "Kuusaa rapids") is a popular fishing rapids in Central Finland with cultural heritage landscape. The Kuusaankoski rapids are among the best trout rapids in southern Finland. Kuusaankoski is located on the waterway from lake Vatianjärvi into lake Saraavesi in Laukaa. The mean discharge on the rapid is . Total elevation difference is . The fishing season is from January 1 to September 10 and from November 16 to December 31. The natural catch species are grayling, brown trout, ide, pike and whitefish. Stocked species are freshwater salmon, whitefish, brown trout and grayling. Lake trout is the most

Title: Sava
Content: and recreational grounds located on the river course or gravel pit and artificial lakes adjacent to the Sava. Tacen Whitewater Course, located on the right bank of the Sava in Tacen suburb of Ljubljana, was built as a permanent kayaking course in 1948. It hosts a major international competition almost every year, examples being the ICF Canoe Slalom World Championships in 1955, 1991, and 2010. In Zagreb, Jarun complex of lakes along the river course offers a range of facilities for swimming, water sports and cycling. The island of Ada Ciganlija in Belgrade is the major recreational zone of the

Title: Kuusamo
Content: Oulankajoki, Kitkajoki, Kuusinkijoki and Pistojoki flowing eastward to the White Sea and Iijoki westward to the Gulf of Bothnia. The area of Oulanka National Park is shared between northern Kuusamo and neighboring Salla municipality. The landscape is dominated by pine forests, Oulankajoki river and its side branches with their sandbanks and rapids, and in the northern part vast marsh areas. In the wilderness live 30 species of mammals and 120 species of birds, including brown, stone and white-tailed eagle. Wolves and lynxes are rare. Rapids in Oulankajoki include Kiutaköngäs, Taivalköngäs, Jyrävä, Niskakoski and Myllykoski. Near the southern border with Suomussalmi

Title: Wildwater canoeing
Content: Trichardt Spruit, Umkomaas River, Bushmans River and As River. The As River forms part of a water exchange program between South Africa and Lesotho and is fed via a tunnel from the Katse Dam. The 2004 World Wildwater Championships were held in Garmisch-Partenkirchen, Germany. The 2006 Championships were held from 12–17 June on the Teplá River, in the Czech Republic. The K1 men's sprint race was won by Max Hoff of Germany; the K1 men's classic was won by Kamil Mruzek of the Czech Republic. The 2008 World Championships will take place from 5–8 June in Ivrea, Italy. Wildwater canoeing

Question: Which sporting world championship has been held at the Kuusinski and Kitka Rivers in Finland?
Answer: Fly Fishing