Scotland’s Tiny Artificial Islands Date to the Stone Age | Smart News | Smithsonian

Crannog with Causeway

Five crannogs in the Outer Hebrides were built 5,000 years ago, perhaps for ritual purposes

Source: Scotland’s Tiny Artificial Islands Date to the Stone Age | Smart News | Smithsonian

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Grand Canyon Will Soon Be a Dark Sky Park | Smart News | Smithsonian

Grand Canyon Milky Way

After three years of retrofitting lights, the national park will soon be certified by the International Dark Sky Association

Source: Grand Canyon Will Soon Be a Dark Sky Park | Smart News | Smithsonian