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News: Towering Ancient Tsunami Devastated the Mediterranean
http://www.livescience.com/environment/061130_ancient_tsunami.html
 
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First Impressions: discovering the earliest human footprints in Europe

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Huntress
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« on: May 27, 2014, 12:01:04 am »



‘It was pretty lucky we had as long as we did,’ says Martin. ‘The sand on that beach is very abrasive, and the footprints were simply scoured away over a number of tidal cycles. I don’t know how long they’d been exposed when I saw them, but we are probably looking at a window of about a month in which they could be spotted and recorded before they were lost forever. There were about two weeks between the time when I said “This is what I think they are” and their destruction.’

‘The trail was about 3m wide and 10m long,’ Nick remembers. ‘Its recording took place over several days and used a technique called multiple image photogrammetry, undertaken by Sarah Duffy from York University. This takes a series of images from different angles and uses software to stitch them together into a 3D model. Using colouring to show different depths within the prints we could begin to see the various parts of the feet. In one we could even make out four of the five toes.’
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