Walmart in Korea

There's a Walmart Supercenter in Korea which has four floors, so to get your shopping cart from floor to floor, they have an interesting kind of escalator without steps, like a raised moving sidewalk. The carts have four wheels that swivel, and they are outfitted with some sort of magnetic braking system. The second your shopping cart is on the conveyor ramp, the wheels lock up.

Thanks to Always Low Prices blog, my favorite source of Walmart gossip.