The choice crop of landowners looking to cash in on palm oil, the trees grew along the river in thick forests covering thousands of acres.

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After analysing an unusual but temporary increase in Titan's brightness, Dr Griffith concluded that the most likely explanation was the presence of a thick, reflective cloud, covering roughly 9% of the part of Titan's surface then visible from earth.

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Then they began covering the crater with the thick planks, kicking the ends into the ground so that the tops of the planks were flush with the dirt road.

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