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 wetter climate conditions about 20,000 years BP, it eventually overflowed and began to drain to the east cutting the Batoka Gorge through the basalt as it went. The recent geological history of Victoria Falls can be seen in the overall form of the Batoka Gorge, with its six individual gorges and eight past positions of the falls. The east-west oriented gorges imply structural control with alignment along joints of shatter zones, or faults with of vertical displacement as is the case of the second and fifth gorges. Headward erosion along these structural lines of weakness would establish a new fall