A Colombian sand miner sifts the gravel extracted from the bottom of the river La Vieja in Cartago, Colombia, 15 April 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 searching for sand by feet, or,...more »
Copyright > © Jan Sochor. All rights reserved.
Date > 15 Apr 2013
Size > 4248x2832 / 4.3MB