InMay1987theGoldenGateBridgehada50thbirthdayparty.Th...
问题详情： InMay1987theGoldenGateBridgehada50thbirthdayparty.Thebridgewasclosedtomotortrafficsopeoplecouldenjoyawalkacrossit.Organizersexpectedperhaps50,000peopletoshowup.Instead,asmanyas800,000cro...