图片是过去十年间由美国间谍卫星拍摄的，它们证实了，在最近几年，大面积高纬度区域在夏天失去了冰层的覆盖。
The photographs, taken by spy satellites over the past decade, confirm that in recent years vast areas in high latitudes have lost their ice cover in summer months.
在过去的几年中，一些欧洲内陆城市通过在市里建造临时海滩向其居民提供沙滩上过夏天的乐趣。
Over the past few years, landlocked cities across Europe have been setting up temporary beaches to offer their residents a summer's day on the sand.
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