▁in ▁ 1 9 7 7 ▁that ▁perhaps ▁as ▁many ▁as ▁ 3 0 , 0 0 0 ▁slaves ▁were ▁export ed ▁each ▁year ▁to ▁Rome ▁between ▁mid - 6 0 s ▁and ▁ 3 0 s ▁BC . ▁ ▁S la very ▁in ▁Roman ▁D acia ▁ ▁Notes ▁ ▁References ▁ ▁An cient ▁sources ▁ ▁Her odot us , ▁History , ▁Book ▁V ▁ ▁Poly b ius , ▁The ▁Histor ies , ▁Book ▁IV ▁ ▁Modern ▁works ▁▁▁ ▁Category : S la very ▁in ▁anti qu ity ▁Category : D acia <0x0A> </s> ▁The ▁Gran ▁M eli á ▁G ho o ▁is ▁a ▁five - star ▁hotel ▁in ▁a ▁mixed - development ▁building ▁currently ▁in ▁development ▁in ▁Sal man ▁Sh ahr , ▁Iran , ▁on ▁the ▁shore ▁of ▁the ▁C asp ian ▁Sea . ▁When ▁finished , ▁the ▁tower ▁will ▁be ▁ 1 3 0 ▁meters ▁high ▁and ▁compr ise ▁a ▁hotel , ▁resident ial ▁apart ments , ▁and ▁a ▁ret ail ▁m all . ▁ ▁The ▁hotel ▁is ▁planned ▁to ▁contain ▁ 3 1 9 ▁rooms ▁as ▁well ▁as ▁other ▁accommod ations ▁such ▁as ▁seven ▁restaur ants ▁and ▁bars , ▁two ▁sw imming ▁po ols , ▁and ▁a ▁sp a . ▁The ▁hotel ▁is ▁a ▁project ▁of ▁the ▁Spain - based ▁M eli á ▁ ▁Hot els ▁International , ▁making ▁it ▁the ▁first ▁in ▁Iran ▁to ▁be ▁foreign - brand ed , ▁since ▁the ▁Revolution ▁▁ ▁The ▁hotel ▁is ▁part ▁of ▁the ▁G ho o , ▁Middle ▁East ▁Diam ond -