This is the case of the 100 000 ha Malibya farm project promoted by a Libyan sovereign wealth fund in the Inner Delta of the Niger River in Mali.

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The museum, a stone's throw from the river, is surrounded by tasteful inner-city apartments and close to the striking Bonnefanten, where art works by modern and old masters find a comfortable home together.

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In Ningxia, Gansu and Inner Mongolia, for example, they are drawing far more than their fair share of the Yellow River's water.

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Inner tubes can be hired in Palomino, and after an hour or two of floating, just before the cool river spits you into the warmer sea, there is a rope on the right side that you can use to do your best Tarzan flip into the water.

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