Site plan, Santa Laura Saltpeter Works, UNESCO World Heritage Site, Atacama Desert, northern Chile, Chile, South America

abandoned aged air america american american atacama attraction attractions board boards caption captions chile chilean closed day daylight daytime desert deserted desolate disused during erstwhile exterior exteriors floor floorplan floorplans former formerly forsaken ground groundplan groundplans heritage historic historical historically history in industrial industry info information inoperative inscription inscriptions label labeled labelled labelling labels latin laura lay layouts lettering map maps message mine mines mining monument monuments museum museums navigation nitre nobody northern of old once one one time open open air orientation out out of service out of use outdoor panel panels past photo photos plan plans plaque plaques salpeter salpetre saltpeter santa seeing service shot shots sight sights sign site site sites sites south south the time times tourist unesco uninhabited unoccupied use vacant works world worth writing writings