Many scientists also consider tree growth rings and ice samples.

许多科学家还考虑树木的生长轮和冰样本。

The research team has drilled to the bottom of the glacier to collect ice samples.

该研究小组已钻到冰川底部以收集冰样。

Commercial freezers break down, power failures happen and losing the ice samples would be a disaster.

商用冰柜坏了， 停电了，丢失冰样将是一场灾难。

The ice samples will be sealed in bags and placed 10m below the surface, at a constant temperature of -50C.

冰样将被密封在袋子中， 并放置在地表以下 10 米处，温度恒定在 -50 摄氏度。

Our oldest ice sample that we've collected now is greater than 4 million years old and this is the oldest ice that's ever been collected on the planet.

我们现在收集的最古老的冰样本超过400万年，这是地球上迄今为止收集到的最古老的冰。

We'll dangle over a sea of ice, sample a classic long-distance hike, be dazzled by neo-Byzantine art, celebrate the summit of Europe, and make some high altitude cheese.

我们将在冰海中摇摇晃晃，体验经典的长途徒步旅行，欣赏新拜占庭艺术，庆祝欧洲之巅，并制作一些高海拔奶酪。