achine ▁of ▁uncertain ▁aff in ities . ▁ ▁References ▁ ▁Category : M i oc ene ▁p inn ip eds ▁Category : Pre histor ic ▁m amm al ▁gener a ▁Category : Ph oc ines ▁Category : B ur dig al ian ▁first ▁appearances ▁Category : T ort onian ▁ext in ctions ▁Category : Pre histor ic ▁p inn ip eds ▁of ▁North ▁America ▁Category : Pre histor ic ▁p inn ip eds ▁of ▁Europe ▁Category : F oss il ▁tax a ▁described ▁in ▁ 1 8 7 6 <0x0A> </s> ▁Ty ro po e on ▁Valley ▁( i . e ., ▁" Val ley ▁of ▁the ▁Che es em akers ") ▁is ▁the ▁name ▁given ▁by ▁Joseph us ▁the ▁historian ▁( W ars ▁ 5 . 1 4 0 ) ▁to ▁the ▁valley ▁or ▁rug ged ▁rav ine , ▁ ▁in ▁the ▁Old ▁City ▁of ▁Jerusalem , ▁which ▁in ▁ancient ▁times ▁separated ▁Mount ▁Mor iah ▁from ▁Mount ▁Z ion ▁and ▁em pt ied ▁into ▁the ▁valley ▁of ▁H inn om . ▁The ▁Ty ro po e on , ▁now ▁filled ▁up ▁with ▁a ▁vast ▁accum ulation ▁of ▁de br is , ▁and ▁almost ▁a ▁plain , ▁was ▁sp anned ▁by ▁brid ges , ▁the ▁most ▁noted ▁of ▁which ▁was ▁Z ion ▁Bridge , ▁which ▁was ▁probably ▁the ▁ordinary ▁means ▁of ▁communication ▁between ▁the ▁royal ▁palace ▁on ▁Z ion ▁and ▁the ▁temple . ▁ ▁The ▁western ▁wall ▁of ▁the ▁Temple ▁Mount ▁rose ▁up ▁from ▁the ▁bottom ▁of ▁this ▁valley ▁to ▁the ▁height ▁of