Residents of a “hanging city” above this river were terrorized by rumors of a giant octopus (-5[1])and prayed to a beauty goddess (-5[1])“of the Sewer.” During Argei, twenty-seven straw figures were thrown annually into this river to honor (10[1])a drowned king of (-5[1])Alba Longa that may name it. (10[9])The Tetrarchy (10[4])was abolished (10[1])shortly after a battle (-5[1])on this river’s (10[1])Milvian (10[2]-5[1])Bridge. (10[3]-5[4])The first colonia (-5[1])was a city at the mouth (10[1]-5[2])of this river (10[1]-5[2])which imported (10[1])grain (-5[1])and was named Ostia. (10[2])This river’s aqueducts like the Aqua (10[1])Appia supplied water (10[1])to (10[1])bathhouses in a city (10[1])built on seven hills (10[3])like (10[1]-5[1])the (10[1])Palatine (10[3]-5[1])and (10[2])Capitoline. (10[1]-5[1])For 10 points, (10[1])name this river that flows (10[1])through Rome. (10[4])■END■ (10[13]0[3])