北京遇不见西雅图
<□>Investig□tors □ea□□ed th□t □□□□g□o□p ha□ been f□iends□for □ear□, but recent□□ there had b□en tensio□ among □h□m. R□mors of di□agre□m□nts□and arguments□during the□trip bega□ to sur□ace□ le□d□ng aut□orities□□o specul□te whether fou□ p□ay was inv□lved. Eac□ m□mber of the group□h□d a□different□story to □ell, □nd□the□i□cons□st□ncies i□ their accou□ts□only adde□ t□ the my□□ery□□f□the□missing nine□