（原标题：China Opens Doors to Russian Tourists as People-centric Exchange Deepens丨CBN Perspective） Moscow to China flight searches almost doubled within half an hour after the visa waiver was announced, soaring by as much as four times at one point, according to travel agency Qunar. Russia was among China's top three sources of international tourists this summer, with such visitor numbers expected to soar once the new policy kicks in. "China's main sources of inbound tourism are Japan and South Korea, but the n ...