跨国寻失主万元美金完璧归赵，青岛地铁上演美金“寻主记”

Core Points - A heartwarming incident occurred at Qingdao Metro Line 4 where station staff returned a thick stack of cash amounting to 10,000 USD to a passenger after a five-day search for the owner [1][3][4] - The process involved multiple parties, including station staff, police, and the metro control room, showcasing a well-coordinated effort in lost item recovery [5] Summary by Sections - Incident Description - On June 5, station staff discovered a black leather bag and a white envelope containing 10,000 USD during their routine checks [4] - After failing to locate the owner on-site, staff initiated the lost item protocol and contacted the police for assistance [4] - Owner Recovery Process - The police managed to contact the owner's friend, who informed them that the owner was currently abroad [3] - Upon the owner's return, they verified the details of the lost items, confirming the return of the cash and bag without any loss [3][4] - Operational Efficiency - The incident highlights the effective multi-party collaboration within the Qingdao Metro system, which includes detailed logging, dual verification, and prompt communication with law enforcement [5] - The metro system encourages passengers to report lost items immediately and provides various channels for assistance, including a dedicated app and hotline [5]