Albanian artist Saimir Strati hammered tens of thousands of nails into a wooden board to create the world's largest nail mosaic, in the image of Leonardo da Vinci.
"I have lost count of the nails, but I think it was around 400 kilos (880 pounds) of nails. I have used different nails. The condition was they should be industrial nails and they are," Strati said.
"My technique resembles (digital) camera pixels. I have used a nail for each pixel," he told Reuters
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