▁that ▁could ▁not ▁pass ▁through ▁the ▁filter ▁would ▁overflow ▁the ▁bas in ▁and ▁exit ▁the ▁building , ▁and ▁any ▁sed iment ▁or ▁de br is ▁remaining ▁in ▁the ▁surface ▁bas in ▁could ▁be ▁swe pt ▁away . ▁In ▁hot ▁weather , ▁water ▁could ▁be ▁drawn ▁from ▁the ▁c is tern ▁chamber ▁( or ▁fetch ed ▁by ▁slaves ▁from ▁supplies ▁outside ▁the ▁dom us ) ▁and ▁cast ▁into ▁the ▁shall ow ▁pool ▁to ▁ev apor ate ▁and ▁provide ▁a ▁cool ing ▁effect ▁to ▁the ▁entire ▁at rium : ▁as ▁the ▁water ▁ev apor ated , ▁air ▁drawn ▁in ▁through ▁the ▁compl u vi um ▁was ▁co o led ▁and ▁moved ▁throughout ▁the ▁house ▁to ▁cool ▁the ▁surrounding ▁living ▁spaces . ▁The ▁combination ▁of ▁compl u vi um ▁and ▁impl u vi um ▁formed ▁an ▁ingen ious , ▁effective ▁and ▁attract ive ▁manner ▁of ▁collect ing , ▁filtering ▁and ▁cool ing ▁rain water . ▁ ▁See ▁also ▁▁ ▁An cient ▁Roman ▁architecture ▁ ▁An cient ▁Greek ▁architecture ▁ ▁References ▁ ▁Category : An cient ▁Greek ▁architecture ▁Category : An cient ▁Roman ▁architect ural ▁elements <0x0A> </s> ▁The ▁English ▁P outer ▁is ▁a ▁bre ed ▁of ▁fancy ▁p ige on ▁developed ▁over ▁many ▁years ▁of ▁select ive ▁bre eding . ▁English ▁P ou ters , ▁along ▁with ▁other ▁vari eties ▁of ▁domestic ated ▁p ige ons , ▁are ▁all ▁descend ants ▁from ▁the ▁rock ▁p ige on . ▁A ▁bre ed ▁with ▁an ▁en larg ed ▁c rop , ▁their ▁distinct iveness ▁was ▁described ▁by ▁Charles