The Tree of Ténéré, in Niger, was the most isolated tree in the world until it was knocked down by a lorry in 1973.
Why it is true
It was a lone acacia in the middle of the Sahara, about 400 km from any other tree, and served as a landmark for caravans. Its roots reached water more than 30 metres down. Its remains are in a museum in Niamey, and a metal sculpture now stands in its place.
Source: Musée National Boubou Hama (Niamey)
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