Colombian sand miners, using a wheelbarrow, unload sand from the boat on the bank of the river Magdalena in Puerto Berrío, Colombia, 3 February 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 and...more »
Copyright > © Jan Sochor. All rights reserved.
Date > 3 Feb 2013
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