Sheep graze on the Guadiana's dry riverbed as part of the river has dried up and gave way to dry land in Villarta de los Montes, in the central-western Spanish region of Extremadura, on Wednesday. Temperatures in Spain have been very high this summer with several unusual heat waves. Scientists say human-induced climate change is making extreme weather events including heatwaves and droughts more frequent and more intense. - AFP
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