Catriona Bowman, 22, was travelling through Europe last July with a friend when she discovered that she had lost her camera's memory card in an Amsterdam bar.
"We were in a bar by a canal in Amsterdam when I realized my memory card was full as I had been taking pictures all day,” Bowman, from Suffolk, England, told the Telegraph.
After returning to the bar, and searching under chair cushions in vain, Bowman assumed her holiday photos were lost forever.
Fortunately for the British backpacker, Peter van Leeuwen, creative business partner at Dutch advertising agency Etcetera, found the tiny card on a baggage belt in Amsterdam's Schiphol airport.
He looked at the photos, hoping to find the owner's identifying information, and then launched a social media campaign to track down Bowman.
He created a "Who's that girl?" video montage on YouTube of the photos of Bowman and her travelling partner, Emily Fazah, then linked to the video from Facebook and Twitter.
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