The first Sino-Russian air emergency drill was held over the boundary Heihe River, Heilongjiang Province, Thursday, involving more than 50 vessels, as well as multifunctional helicopters and amphibious jet planes. [CNS Photo/Qiu Qilong]
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The first Sino-Russian air emergency drill was held over the boundary Heihe River, Heilongjiang Province, Thursday, involving more than 50 vessels, as well as multifunctional helicopters and amphibious jet planes. [CNS Photo/Qiu Qilong]
