A Colombian sand miner holds the boat while diving under the water to extract sand from the bottom of the river La Vieja in Cartago, Colombia, 10 December 2013. Artisanal (unmechanised) sand mining is an ancient mining technique used to obtain sand for construction purposes. Depending on the natural conditions (strength of the stream, depth of the river etc.), together with the sand miners' physical condition, the material is extracted in metal buckets, either by standing on the river bottom...more »
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Date > 10 Dec 2013
Size > 4248x2832 / 7.8MB