The reason : as fate would have it , global warming appears to also be increasing the amount of potentially deadly multi year ice chunks lurking in the newly opened pathway.

然而跑船的商人们并不急于利用它，究其原因嘛：因为全球变暖注定也将增加多年冰漂移块的数量，这些漂移块暗藏于新开辟航道中，具有潜在的致命威胁。

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Ice chunks carried downstream by floodwaters caused by volcanic activity lie on the Markarfljot river bank Friday April 16, some 120km east of the capital Rejkavik, Iceland. AP / Brynjar Gauti

星期五(4月16日)，被火山活动引发的洪水卷到下游的大冰块躺在在冰岛首都雷克雅未克以东约120公里处的马卡弗约特(Markarfljot)河岸上。

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He freezes Ink into ice chunks of various shapes, lays them on one or several Xuan papers. Ices are left to melt naturally and patterns are formed. Also he performs the process as an art.

他把墨冻成块，水冻成冰块，墨块做成不同形状有园有方，放置在一张宣纸上渗化，有时是多张宣纸，这本身也是过程艺术，或水墨行为艺术。

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Beijing has long been anticipating the ice chunks and subtly adjusting the rudder around inflation without steering the economic ship too far off course.

FORBES: Chinese Dragon Still Snorting Loudly

But it had also dislodged vast chunks of ice from around the Pole and they had drifted south into our path.

BBC: The 'big melt' at the roof of the world

Best viewed from Zodiacs, passengers can watch as 10-storey high chunks of ice intermittently calve from the glacier facades and smash into the water below.

BBC: Life in the fragile, frozen Arctic