Question: What's the name of the waterfall in the country encompassing Bushtick Mine?

full_context: Document 1: Cachoeira da Fumaça: The Cachoeira da Fumaça ("Smoke Falls", also known as "Glass Falls") is 340 m tall waterfall in Bahia, Brazil. It was believed to be the country's highest waterfall until the 353 m tall Cachoeira do Araca (Cachoeira do El Dorado) was recently discovered in the Amazon.
Document 2: Victoria Falls: Victoria Falls (Tokaleya Tonga: Mosi - oa - Tunya, ``The Smoke that Thunders '') is a waterfall in southern Africa on the Zambezi River at the border between Zambia and Zimbabwe.
Document 3: Turk Mine: Turk Mine is a village in the province of Matabeleland North, Zimbabwe. It is located about 56 km north-east of Bulawayo. The village grew up around a gold mine of the same name and serves as an administrative centre for the surrounding mining and ranching area.
Document 4: Gadzema: Gadzema is a village in the province of Mashonaland West, Zimbabwe. It is located about 110 km south-west of Harare on the main Harare-Bulawayo railway line. The village grew up around the a railway station that was built on the line. It was named after a nearby hill, "Ganidzima Hill", which means ""a shining place"". Gold was discovered in the area and in 1905 the Giant Mine was opened by is now closed. In 1920 the station was closed and is now just operated as a siding.
Document 5: Niagara Falls: Niagara Falls is the collective name for three waterfalls that straddle the international border between the Canadian province of Ontario and the American state of New York. They form the southern end of the Niagara Gorge.
Document 6: Nyambwezi Falls: Nyambwezi Falls are a waterfall located in the North-Western Province of Zambia. They are approximately high. Close to the lip of the falls, there is a rock shelter, which has petroglyphs and other evidence of late Stone Age occupation.
Document 7: Berlin Falls: The Berlin Falls is a waterfall in Mpumalanga, South Africa. They are located close to God's Window and the highest waterfall in South Africa's Mpumalanga province, Lisbon Falls. Whilst less than a tenth of the heigh of South Africa's tallest waterfall, the Tugela Falls, they are nonetheless extremely beautiful.
Document 8: Morupule Colliery: The Morupule Colliery is a coal mine located in Palapye, Botswana, and owned and operated by Debswana, a partnership between the government of Botswana and De Beers. Founded in 1973 to supply the Bamangwato Concessions, Ltd copper and nickel mine, operations have expanded considerably since then to supply regional power plants and industries, especially the nearby Morupule Power Station. A small wash plant, with a production capability of 120 tonnes per hour, was commissioned in January 2008 to supply a higher quality coal to local and regional consumers. This project was supported by the Botswana government as a means of stimulating the local economy, producing a less polluting form of coal than the run-of-mine coal, and to provide an alternative to the unsustainable use of wood for cooking and heating.
Document 9: Chakari, Zimbabwe: Chakari is a mining village in the province of Mashonaland West, Zimbabwe. It is located about 33 km west of Chegutu and 38 km north of Kadoma. According to the 1982 Population Census, the village had a population of 8,415. The village grew up around the Turkois Mine in 1907 and was named after the mine. In 1911 it was renamed Shagari but the name was changed again in 1923 to its current name, Chakari. Gold is still mined at the Dalny Mine which is one of Zimbabwe's largest producers of gold. Maize, wheat, sorghum, barley and cotton are grown in the area. This area has red soil that is high is minerals that makes it great for farming crops.
Document 10: Rush Creek mining district: The best known and most prolific zinc mining region of north Arkansas for many years was the Rush Creek mining district of Marion County. Its history began when John Wolfer—an early prospector along the Buffalo River—discovered a large deposit of zinc on the creek in southern Marion County. George Chase purchased Wolfer's claim and established the Morning Star Mining Company, which eventually became one of the largest producers of zinc in Arkansas. One day a miner at the Morning Star Mine extracted a single mass of pure smithsonite (zinc carbonate) weighing 12,750 pounds.
Document 11: Niagara Falls: Located on the Niagara River, which drains Lake Erie into Lake Ontario, the combined falls form the highest flow rate of any waterfall in the world that has a vertical drop of more than 165 feet (50 m). Horseshoe Falls is the most powerful waterfall in North America, as measured by flow rate. The falls are 17 miles (27 km) north - northwest of Buffalo, New York, and 75 miles (121 km) south - southeast of Toronto, between the twin cities of Niagara Falls, Ontario, and Niagara Falls, New York.
Document 12: Mimosa mine: The Mimosa mine is a large open pit mine located in the southern part of Zimbabwe in the Midlands Province. Mimosa represents one of the largest platinum reserves in Southern Africa having estimated reserves of 7.9 million oz of platinum. The mine produces around 200,000 oz of platinum/year.
Document 13: Bushtick Mine: Bushtick Mine was a gold mining operation established in the 1920s and operative through early 1950s in Essexvale District, Matabeleland in Southern Rhodesia (now Zimbabwe). It was established by the British South Africa Company.
Document 14: Chavuma: Chavuma is a town in North Western Zambia, lying immediately south of the border with Angola. The town is approximately 1,100 kilometers from Lusaka and 11 kilometers from the Angolan border town of Kalipande. It lies on the Zambezi River and the M8 road. Local attractions include the Chavuma Falls, while a market takes place on the border, permitting people from both nations to trade.
Document 15: Victoria Falls: Victoria Falls (Tokaleya Tonga: Mosi - oa - Tunya, ``The Smoke that Thunders '') is a waterfall in southern Africa on the Zambezi River at the border between Zambia and Zimbabwe. It has been described by CNN as one of the Seven Natural Wonders of the world.
ground_truth: Victoria Falls
sub_queries: Bushtick Mine >> country Answer: Zimbabwe
what is the name of the waterfall in Zimbabwe Answer: Victoria Falls