6月20日，在挪威新奧勒松，一只北極燕鷗從水面上飛過。位于挪威斯瓦爾巴群島的小鎮(zhèn)新奧勒松，地處北緯79度，是最靠近北極的人類定居點之一。這里每年有著長時間的極夜和極晝：從10月下旬到次年2月下旬，這里的居民要經(jīng)歷長達120多天的連續(xù)黑夜；從4月下旬到8月下旬，游客則能在新奧勒松欣賞到“午夜太陽”的奇觀。[新華社記者 趙丁喆 攝]

An arctic tern flies over waters in Ny-Alesund, Svalbard, Norway, June 20, 2024. As the world's northernmost permanent settlement, Ny-Alesund has four months of continuous daylight and four months of lasting darkness each year. From late April to late August, the sun never sets, treating visitors to the spectacle of the "midnight sun." (Xinhua/Zhao Dingzhe)