This Is the World's Largest Sushi Mosaic 5.04K Brian Moylan 10/20/10 04:51PM Filed to: World Records World Records Sushi Norway Shanghai Shanghai World Expo Video tweet Fb Last week, a group of Norwegian chefs broke the record for the world's largest sushi mosaic at the Shanghai World Expo. Here's a time-lapse video of the six-hour process—minus the smell of sushi sitting around for hours.