Curious travellers can see these gassy hiccups in lakes across Canada’s Banff National Park, or in the Arctic Ocean off Siberia, where researchers have found gargantuan gas bubbles as large as 900m across.
好奇的游客们可以在加拿大班夫国家公园周边的湖泊看到沼气泡泡“打嗝”,研究者们还在西伯利亚附近的北冰洋发现蔓延900米的大量沼气泡泡。
Blood Falls, Antarctica
南极洲血红瀑布
The name says it all. Blood Falls, in East Antarctica’s McMurdo Dry Valleys, looks like slowly pouring scarlet-red blood, staining snowy white Taylor Glacier and Lake Bonney below. It’s a surprising – and creepy – sight to behold.
景如其名。位于南极洲东麦克默多旱峡谷的血红瀑布看上去就像鲜红的血液在慢慢流淌,染红了雪白的泰勒冰川和下游的邦尼湖。这场景相当出人意料,令人毛骨悚然。
The trickling crimson liquid isn’t blood, however. Nor is it water dyed by red algae, as early Antarctica pioneers first speculated. In fact, the brilliant ochre tint comes from an extremely salty sub-glacial lake, explains Quora user Aditya Bhardwaj.
然而,这流淌着的绯红液体不是血液。之前南极考察开拓者推测是红藻玷染了湖水,这也并非正解。事实上,这鲜亮的赭石色来自一个盐度非常高的冰川下湖泊,Quora的用户阿迪蒂亚•巴德瓦杰这样解释。
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