Mosi-oa-Tunya National Park Mosi-oa-Tunya National Park Mosi-oa-Tunya National Park (Sotho: "Musi oa Thunya" [Mosi wa Tunya] ""The Smoke Which Thunders""), is an UNESCO World Heritage site that is home to one half of the Mosi-oa-Tunya "— 'The Smoke Which Thunders' —" known worldwide as Victoria Falls on the Zambezi River. The river forms the border between Zambia and Zimbabwe, so the falls are shared by the two countries, and the park is 'twin' to the Victoria Falls National Park on the Zimbabwean side. ‘Mosi-oa-Tunya’ comes from the Kololo or Lozi language and the name is now used throughout Zambia, and in parts of
Victoria Falls common usage as well. The World Heritage List officially recognizes both names. Livingstone also cites an older name, "Seongo" or "Chongwe", which means "The Place of the Rainbow" as a result of the constant spray. The nearby national park in Zambia is named "Mosi-oa-Tunya", whereas the national park and town on the Zimbabwean shore are both named Victoria Falls. While it is neither the highest nor the widest waterfall in the world, Victoria Falls is classified as the largest, based on its combined width of and height of , resulting in the world's largest sheet of falling water. Victoria Falls