Boats of Colombian sand miners are seen tied up at the bank 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 and searching for sand by feet, or,...more »
Copyright > © Jan Sochor. All rights reserved.
Date > 10 Dec 2013
Size > 4248x2832 / 6.3MB