2026年的慕尼黑安全会议期间，中美两国外长举行了会晤，两国元首互访日期也基本敲定，传递出双边关系进一步缓解的信号。在这一新动向下，其他国家所面临的“选边站”压力是否有所变小？

Thanks to data collected by satellites, scientists have a good understanding of Antarctica's icy surface, but what lies beneath has remained more of a mystery. In fact, more is known about the surface ...