来自MSN9 个月
World's deepest hole sealed up for concerning reason
The Kola Superdeep Borehole is the deepest manmade hole, and deepest artificial point, on Earth, measuring at 40,230ft feet. To put it into perspective, that's 12.2km, or 7.58 miles - that's the ...
来自MSN9 个月
World's Deepest Blue Hole May Have Caves And Tunnels Inside
Scientists have announced the discovery of what they describe as the world’s deepest blue hole, off the coast of Mexico. Taam Ja’ Blue Hole (TJBH), is located in Chetumal Bay off the Yucatan ...
Business Insider8 年
The world's deepest sinkhole was discovered in the South China Sea
Scientists just discovered the deepest sinkhole in the world off the coast of the Paracel Islands, disputed territory in the South China Sea. The Sansha Yongle Blue Hole is almost 1,000 feet deep ...