Chinese and US troops perform a joint confined-space rescue operation at Camp Rilea Armed Forces Training Facility of the Oregon Army National Guard in Warrenton, Oregon. (YIN BOGU / XINHUA)

BEIJING - Chinese and US militaries on Wednesday started an online seminar to share experiences on humanitarian assistance and disaster relief, according to China's Ministry of National Defense.

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As the 16th of its kind, the three-day exchange event will cover topics including the military's participation in fighting floods and typhoons, and in COVID-19 epidemic prevention and control, as well as military-civilian cooperation.

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The seminar was held both in China's Nanjing and the United States's Hawaii via video link.