One possibility is that the spring sunshine caused blocks of the ice to expand and break apart, sending loose dust and ice particles crashing down the slope.

一种可能的解释是春季逐渐强烈的光照使得这些干冰膨胀破裂，挤压悬崖边疏松的土和冰滚落下来。

youdao

That great dome of ice reflects sunlight back into space throughout the 24 hours a day of polar summer sunshine.

在极昼时期，巨大的冰穹24小时不停地将阳光反射回太空。

youdao

Glance at any parent's Facebook page, and you'd think that parenthood is a picture-perfect joyride, filled with constant sunshine, never-ending ice cream sundaes and breathtaking double rainbows.

随便瞟一眼哪个父母的Facebook页面，你会认为为人父母像一连串风景绝佳的享乐快照：充满阳光，有吃不完的冰激凌圣代，还有美得令人窒息的双道彩虹。

youdao

Depending on the capricious whims of the extreme Arctic climate and calendar, thick clouds reveal remote fragments of the landscape as if concealing some great mystery, blinding sunshine illuminates the ice, or perpetual moonlight bathes it all in the strange, blue half-light of the polar night.

BBC: Drawing near to the North Pole