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Recent Analysis Of An Ancient Human-Made Bridge Discovered Submerged In A Spanish Cave Revealed It's Much Older Than Previously Thought
The bridge was located in Genovesa Cave in Mallorca, a Mediterranean island off the eastern shore of Spain's mainland. It was 25 feet in length and was made of large, heavy blocks of limestone ...
U.S. News & World Report2d
Natural Bridge Caverns
The Natural Bridge Caverns are home to the biggest commercial cave system in Texas. Above-ground adventures include zip lining, a rope course, a maze, gem mining, shopping and dining. But the ...
National Geographic news2d
How to trek to two of the world’s largest known caves
At the end of Hang Son Doong stood the Great Wall of Vietnam, a 200-foot barrier to be conquered by both ladder and rope climbing. In a cave there’s no way to get a signal. There’s no way to ...
Business Insider8y
Carrick-a-rede rope bridge in Ireland
An curved arrow pointing right. The Carrick-a-rede Rope Bridge, built 350 years ago by salmon fishermen, is Northern Ireland's most insane bridge and a hot tourist attraction. Story and editing by ...