ナショナルジオグラフィックさんのインスタグラム写真 - (ナショナルジオグラフィックInstagram)「Photo by Daniella Zalcman @dzalcman / A juvenile ringed seal rests on an ice floe off of the eastern coast of Greenland. Ringed seals generally prefer to spend their time in dense sea ice, which soon may become a problem with the rate our planet is warming. The National Snow and Ice Data Center announced in September that this year we reached the second lowest sea ice minimum in recorded history. Follow me at @dzalcman for more stories from the Arctic.」11月17日 8時36分