Saimir Strati speaks in front of the portrait of Leonardo Da Vinci, which he created with industrial nails, at the International Centre of Culture in Tirana September 4, 2006.

Saimir Strati speaks in front of the portrait of Leonardo Da Vinci, which he created with industrial nails, at the International Centre of Culture in Tirana September 4, 2006. Strati, 40, was recognised by Guinness World Record officials for having created the world's largest nail mosaic, which consisted of about 500,000 industrial nails on a 8 square-meter wooden board.

Strati, 40, was recognised by Guinness World Record officials for having created the world’s largest nail mosaic, which consisted of about 500,000 industrial nails on a 8 square-meter wooden board.

A man looks at the portrait of Leonardo Da Vinci, created by artist Saimir Strati using industrial nails, at the International Centre of Culture in Tirana September 4, 2006. Strati, 40, was recognised by Guinness World Record officials for having created the world's largest nail mosaic, which consisted of about 500,000 industrial nails on a 8 square-meter wooden board.

A man looks at the portrait of Leonardo Da Vinci, created by artist Saimir Strati.