Russian Pacific Fleet submarine leaves China's Qingdao port - Russian submarine docks in Qingdao, China - Russian Pacific Fleet ships wrap up visit to China's Qingdao port - Russian naval group arrives at China's Qingdao port on visit -- Defense Ministry - Russia's Pacific Fleet warship detachment leaves Chinese port of Qingdao - Russian, Chinese ships arrive at Qingdao port after joint patrols in Asia-Pacific region - Hong Kong Tourism Board to roll out flight deals, vouchers and '3 must-haves' to lure travellers from Xian and Qingdao in solo visitor scheme - Mainland China's extension of Hong Kong solo visitor scheme generates lukewarm response in target cities Xian and Qingdao - Hong Kong leader John Lee welcomes Beijing's move to expand solo traveller scheme to Xian, Qingdao - cities with high-income, big-spending residents