The Salt pans at Maras, Peru have been in use since the Inca times
{"Image Make": "NIKON CORPORATION", "Image Model": "NIKON D7000", "Image XResolution": "240", "Image YResolution": "240", "Image ResolutionUnit": "Pixels/Inch", "Image DateTime": "2012:02:08 21:24:15", "Image YCbCrPositioning": "Centered", "Image ExifOffset": "176", "EXIF ExposureTime": "1/200", "EXIF ExposureProgram": "Aperture Priority", "EXIF ISOSpeedRatings": "100", "EXIF ExifVersion": "0230", "EXIF DateTimeOriginal": "2012:02:02 11:08:14", "EXIF DateTimeDigitized": "2012:02:02 11:08:14", "EXIF ComponentsConfiguration": "YCbCr", "EXIF ApertureValue": "16799/2428", "EXIF ExposureBiasValue": "0", "EXIF SubjectDistance": "4294967295", "EXIF MeteringMode": "Pattern", "EXIF Flash": "Flash did not fire, compulsory flash mode", "EXIF FocalLength": "40", "EXIF FlashPixVersion": "0100", "EXIF ColorSpace": "sRGB", "EXIF DigitalZoomRatio": "1"}