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User Submitted
- Get out of the subway’s way. Submitted by: Billy Cross
- Assembling a 42,000-piece jigsaw puzzle. Submitted by: Naomi Montes
- Curved roller treadmill uses gravity. Submitted by: Ian Cabrera
- How to dice Michelin star onions. Submitted by: Emilia Cisneros
- Toddler with GoPro plays hide-and-seek. Submitted by: Theodore Knapp