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The "Peace Train-2019" China-Laos humanitarian and medical joint rescue exercise enters the phase of integrated training on Aug. 17, 2019. (Peace Train medical team/Handout via Xinhua)

The "Peace Train-2019" China-Laos humanitarian and medical joint rescue exercise enters the phase of integrated training on Aug. 17, 2019. (Peace Train medical team/Handout via Xinhua)