https://www.nature.com/articles/s41598-018-23948-5

https://www.csis.org/analysis/chinas-rare-earth-campaign-against-japan

https://www.u-tokyo.ac.jp/focus/en/press/z0508_00244.html

https://www.jamstec.go.jp/j/about/press_release/20260202/

Chief Master Sergeant Don Sutherland, U.S. Air Force

Public domain https://upload.wikimedia.org/wikipedia/commons/d/d2/Aerial-View-Minamitori-Island-1987.jpg

Gleam

Creative Commons Attribution-Share Alike 3.0

https://upload.wikimedia.org/wikipedia/commons/e/ee/Chikyu_2.jpg