ナショナルジオグラフィックのインスタグラム(natgeo) - 7月17日 02時29分

On July 16th 1945, 70 years ago today, the first nuclear explosion occurred at the Trinity Site in New Mexico. Many more have occurred since, including today's Flashback post from the archives.
The year 1951: Goggled spectators comprised of military and civilian VIPs who watched from yard chairs as a nuclear bomb exploded 12.5 miles away in the Marshall Islands. Flashback 127 years into photographic history as we bring you images from the Natgeo archives—see more at natgeofound.tumblr.com @natgeocreative - Photograph by U.S. GOVERNMENT AIRFORCE

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