USA, with 39% share, retained its standing as the world's largest arms exporters during 2017-21. Russia (19%), France (11%), China (4.6%) and Germany (4.5%) were among the top 5 largest exporters respectively.
A crescent-shaped crater in Northeast China named the 'Yilan' Crater holds the record as the largest impact crater on Earth that formed in the last 100,000 years.
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