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This hard-to-reach lake in Australia is typically dry, but when it fills with water (a rare occurrence) it becomes a pool of ...
The tunnel in Norway, which is expected to be completed in 2033, is to descend nearly 1,300 feet below sea level.
How to Survive explores the world’s deepest pool and explains how to survive if you find yourself trapped or struggling underwater. Learn essential breath-holding and escape techniques. These tips are ...
The tunnels lie directly below London Underground’s Central Line in the city’s Holborn area. Work to dig them began in secret ...