描述
If you dropped Mount Everest into the ocean... it would disappear beneath the waves. And still... it wouldn’t touch the bottom. The Mariana Trench. Nearly thirty-six thousand feet deep. Deeper than eleven Burj Khalifas stacked together. We’ve explored less than five percent... and what’s down there remains a mystery. Some say... it’s Earth’s last frontier. What do you think is hiding in the dark?
en
示例
1
Default Sample
This window cleaner earns $15,000 per day cleaning the exterior of the Burj Khalifa. He spends 8 hours suspended 2,722 feet above ground, using special equipment to clean the world's tallest building. The extreme height requires specialized training and safety gear.