Scenes From Underground, Part II

Caves and tunnels have always been part of human life. We've grown more adept at shaping these underground shelters and passages over the millennia, and today we dig for hundreds of reasons. We excavate to find both literal and cultural treasures, digging mines and unearthing archaeological discoveries. We use caverns for stable storage, for entertainment, and for an effective shelter from natural and man-made disasters. And as the planet's surface becomes ever more crowded, and national borders are closed, tunnels provide pathways for our vehicles and for smugglers of every kind. Collected below are more recent subterranean scenes from around the world. (Be sure to see Part I as well.)

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  • Omar Havana/Getty Images

    Nepal After the Earthquake

    A magnitude 7.8 earthquake struck Nepal early on Saturday, centered 10 miles below the surface, less than 50 miles from the capital of Kathmandu. At least 1,100 are already reported to have been killed by the quake and subsequent avalanches triggered in the Himalayas.

  • Smithsonian.com

    Winners of the 2014 Smithsonian Magazine Photo Contest

    The editors of Smithsonian magazine have announced the winners of their 12th annual photo contest, selected from more than 26,500 entries.

  • Martin Bernetti/AFP/Getty Images

    The Eruption of Chile's Calbuco Volcano

    Chile's Calbuco volcano erupted on Wednesday, spewing a giant funnel of ash high into the sky over a sparsely populated, mountainous area, triggering a red alert. Authorities ordered an evacuation for a 10-kilometer (six-mile) radius around the volcano.

  • NASA

    Earth Day 45

    First organized in 1970, Earth Day is a day set aside to remember and appreciate the Earth's environment, and our responsibilities and roles within it. Today, April 22, we observe the 45th annual Earth Day, and though many things have changed for the better, environmental challenges remain.

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