Spain, Minas de Riotinto Spanish orange plantations. Farmers have devised a system of hill-terracing and cut irrigation channels to every stair on hill slpoes which are fed by powerful water pumps. Ant

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Textures at an abandoned pond used for the disposal and stacking of phosphogypsum with shallow, but highly toxic radioactive green water in Huelva, Southern Spain.   Located in the middle of the

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