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Brittany|align=right| 10,000,000,000| 1 m| 0.1 cm| ?| 450 m| permanent; walkable (est. 2011)|-| Solar Walk UofT Scarborough| Toronto, Ontario and Eureka, Nunavut|align=right| 10,000,000,000| 0.14 m| 0.13 cm| 15 m| 591 m| permanent; walkable/bikeable (est. 2017)|-| MIT's Infinite Solar System| Cambridge, Massachusetts|align=right| 30,000,000,000| 4.6 cm| 0.43 mm| 5.0 m|

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