method: SHA-1 described at URL: https://svs.gsfc.nasa.gov/30053 URL: https://svs.gsfc.nasa.gov/vis/a030000/a030000/a030053/Dead_Sea_salt_farming.pptx...
gov/30053 URL: https://svs.gsfc.nasa.gov/vis/a030000/a030000/a030053/landsat_dead_sea_salt_eob77592.png determination method: JImagehash perceptual hash...