カザフスタン上空を降下中のソユーズ宇宙船。サムネイル（縮小画像）で見たときには核実験のキノコ雲かと思いました：
A year ago #now, the @Space_Station Expedition 54 crew (Mark Vande Hei, Joe Acaba, Alexander Misurkin) nears touchdown in Kazakhstan. This amazing pic from a Russian helicopter was taken by our NASA photographer Bill Ingalls @ingallsimages. @nasahqphoto pic.twitter.com/wZSC8fLtjf— NASA History Office (@NASAhistory) February 28, 2019
