Han Han measures water temperature at a dock in Qingdao, east China's Shandong Province, June 1, 2018. The 38-year-old Han is a native of Qingdao, a coastal city famous for its beaches and beer. Han once sold copy paper and founded a mobile game company. Now, he runs a diving club and wants to have a sailboat journey with friends from Shanghai Cooperation Organization (SCO) member states. (Xinhua/Purbu Zhaxi)

Han Han arranges nets at a dock in Qingdao, east China's Shandong Province, June 1, 2018. The 38-year-old Han is a native of Qingdao, a coastal city famous for its beaches and beer. Han once sold copy paper and founded a mobile game company. Now, he runs a diving club and wants to have a sailboat journey with friends from Shanghai Cooperation Organization (SCO) member states. (Xinhua/Zhu Zheng)

Han Han checks a boat at a dock in Qingdao, east China's Shandong Province, June 1, 2018. The 38-year-old Han is a native of Qingdao, a coastal city famous for its beaches and beer. Han once sold copy paper and founded a mobile game company. Now, he runs a diving club and wants to have a sailboat journey with friends from Shanghai Cooperation Organization (SCO) member states. (Xinhua/Purbu Zhaxi)

Han Han buys seafood at a market in Qingdao, east China's Shandong Province, June 1, 2018. The 38-year-old Han is a native of Qingdao, a coastal city famous for its beaches and beer. Han once sold copy paper and founded a mobile game company. Now, he runs a diving club and wants to have a sailboat journey with friends from Shanghai Cooperation Organization (SCO) member states. (Xinhua/Zhu Zheng)

Han Han checks a yacht of his diving club at a dock in Qingdao, east China's Shandong Province, June 1, 2018. The 38-year-old Han is a native of Qingdao, a coastal city famous for its beaches and beer. Han once sold copy paper and founded a mobile game company. Now, he runs a diving club and wants to have a sailboat journey with friends from Shanghai Cooperation Organization (SCO) member states. (Xinhua/Zhu Zheng)

Combo photo shows Han Han climbing a mountain and having a boat journey. The 38-year-old Han is a native of Qingdao, a coastal city famous for its beaches and beer. Han once sold copy paper and founded a mobile game company. Now, he runs a diving club and wants to have a sailboat journey with friends from Shanghai Cooperation Organization (SCO) member states. (Xinhua)

Han Han has a meal with friends in Qingdao, east China's Shandong Province, June 1, 2018. The 38-year-old Han is a native of Qingdao, a coastal city famous for its beaches and beer. Han once sold copy paper and founded a mobile game company. Now, he runs a diving club and wants to have a sailboat journey with friends from Shanghai Cooperation Organization (SCO) member states. (Xinhua/Zhu Zheng)

Han Han interacts with his son at his diving club in Qingdao, east China's Shandong Province, May 31, 2018. The 38-year-old Han is a native of Qingdao, a coastal city famous for its beaches and beer. Han once sold copy paper and founded a mobile game company. Now, he runs a diving club and wants to have a sailboat journey with friends from Shanghai Cooperation Organization (SCO) member states. (Xinhua/Zhu Zheng)

Han Han (R) discusses the maintenance of his diving club with a friend at a dock in Qingdao, east China's Shandong Province, June 1, 2018. The 38-year-old Han is a native of Qingdao, a coastal city famous for its beaches and beer. Han once sold copy paper and founded a mobile game company. Now, he runs a diving club and wants to have a sailboat journey with friends from Shanghai Cooperation Organization (SCO) member states. (Xinhua/Zhu Zheng)

Han Han arranges gears at his diving club in Qingdao, east China's Shandong Province, May 31, 2018. The 38-year-old Han is a native of Qingdao, a coastal city famous for its beaches and beer. Han once sold copy paper and founded a mobile game company. Now, he runs a diving club and wants to have a sailboat journey with friends from Shanghai Cooperation Organization (SCO) member states. (Xinhua/Zhu Zheng)