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国家地理 拉响关于水质的警报(6)
New York already is one of 10 states (along with the District of Columbia) that require universal blood tests for lead before age three. Now, newly armed with data on lead sources, the state has an opportunity to protect the 2.7 million children in p
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国家地理 拉响关于水质的警报(7)
It all begins by insisting that clean water not be treated as a partisan issue. No matter how you voted in the past two elections, you didn't vote for contaminated drinking water. So, together we need to hold government officials to account at all le
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国家地理 加里曼丹岛的地底洞天(1)
Late on a sweltering morning in April, two slim British cavers named Frank and Cookie lowered themselves into a slick, humid pit deep below Borneo's rainforest. 2017年4月的某一天，在酷热难耐的近午时分，两名身材纤瘦的英国洞穴
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国家地理 加里曼丹岛的地底洞天(2)
Already they knew Clearwater stretched for 140 miles and that some of the caverns were lined with turbulent rivers, while the Racer-Easter system contained chambers so enormous that a jetliner could fit easily within its walls with plenty of room to
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国家地理 加里曼丹岛的地底洞天(3)
Now imagine them down there, Frank and Cookie, mud smeared and grinning, on the verge of joining two cave systems into a single, immense whole. Not your thing? Well, for cavers, it's the thing. And it's rare that such superlative connections are made
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国家地理 加里曼丹岛的地底洞天(4)
Not far above them, I sat in a large gallery, listening for their drills. The gallery was pristine; it had been discovered only days before, and I was one of the first ever to enter it. But where I sat, surrounded by towering stalagmites and colossal
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国家地理 加里曼丹岛的地底洞天(5)
This is a very exciting place. Where else on Earth can you find so much unexplored territory? 这里是一个让人非常激动的地方。你还能在地球上找到如此大面积的未开发区吗？ A huge grin lit Andy Eavis's face. Then the exp
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国家地理 加里曼丹岛的地底洞天(6)
It was morning in the rainforest, and Eavis stood on the porch of a research station near park headquarters, preparing to go underground. A sweltering breeze fell through the canopy, silencing the whir of innumerable insects. 这是雨林的早晨，艾
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国家地理 加里曼丹岛的地底洞天(7)
In 1979, Eavis arrived in Borneo as part of a British expedition designed to study the rainforest and help the recently independent Malaysia understand the newly established Gunung Mulu National Park. Caving was still a relatively young sport, and Ea
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国家地理 加里曼丹岛的地底洞天(8)
The British team found that Deer Cave stretched for nearly two miles, and for a decade afterward it stood as the world's largest known cave passage. In 1991 a cave discovered in Vietnam, called Hang Son Doong, surpassed it, but the drop in rank did n
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国家地理 加里曼丹岛的地底洞天(9)
During their time belowground in 1979, Eavis and his fellow cavers explored some 30 miles of passagesan unprecedented feat. Nearly 40 years later, wearing black tights in the hot syrup of morning, Eavis smiled at the memory. 1979年，艾维斯和它的
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国家地理 加里曼丹岛的地底洞天(10)
Two weeks later, when I joined him in Mulu, that faith had been tempered. The expedition was divided into three main teams. Two of them searched for new passages in a remote area of the rainforest while the third, called the connection team, pored ov
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国家地理 加里曼丹岛的地底洞天(11)
But no wall appeared. So they tried a different tactic, veering sharply, figuring they'd bump into a side wall. They heard swiftlets calling overhead, the river roaring somewhere beneath their feet. Still no wall. Their headlamp beams simply dissolve
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国家地理 加里曼丹岛的地底洞天(12)
Sarawak Chamber was so big, Mad Phil explained, that it almost certainly contained new passagesparticularly in the roof, where no one had ever searched. Although it's tempting to think of caves as similar to mine shaftstunnels that slope relatively s
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国家地理 加里曼丹岛的地底洞天(13)
An hour later we arrived at the mouth of Good Luck Cave, where a river emerged from a tall cleft in a wall of limestone. We waded in and pushed ahead, the clear warm water reaching first to our calves, then swelling over our hips, then shoving into o
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