▁or ▁small hold ing . ▁The ▁design ▁of ▁the ▁house ▁put ▁the ▁main ▁open ▁fire ▁in ▁the ▁middle ▁at ▁the ▁back ▁of ▁the ▁bar n ▁area , ▁the ▁smoke ▁disappear ing ▁through ▁small ▁a pert ures ▁in ▁the ▁front ▁fac ade . ▁The ▁hall ▁house ▁was ▁an ▁in vention ▁of ▁the ▁North ▁German ▁pla ins , ▁and ▁did ▁not ▁exist ▁to ▁the ▁south ▁of ▁a ▁line ▁from ▁Dort mund ▁to ▁Brun sw ick ▁to ▁W itten berg ▁to ▁St ett in . ▁This ▁meant ▁that ▁only ▁about ▁one ▁t enth ▁of ▁its ▁entire ▁width ▁crossed ▁the ▁strip ▁of ▁land ▁running ▁north ▁to ▁south ▁that ▁was ▁part ▁of ▁the ▁ 1 2 th ▁century ▁W enden kre uzz ug , ▁which ▁created ▁the ▁Rund ling ▁form . ▁Within ▁this ▁strip ▁were ▁the ▁cities ▁of ▁K iel , ▁Lü beck ▁and ▁Hamburg ▁and ▁the ▁four ▁rural ▁areas ▁of ▁U el zen , ▁Wend land , ▁Pr ign itz ▁and ▁the ▁Alt mark ▁around ▁Sal zw ed el . ▁ ▁Types ▁of ▁Lower ▁German ▁hall ▁house ▁▁ ▁The ▁three ▁types ▁of ▁hall ▁house ▁are ▁called ▁after ▁the ▁number ▁of ▁rows ▁of ▁pill ars ▁which ▁carry ▁the ▁roof ▁construction . ▁The ▁oldest ▁form , ▁which ▁would ▁also ▁have ▁the ▁lowest ▁roof , ▁was ▁called ▁a ▁Zwe ist änder haus ▁because ▁the ▁whole ▁construction ▁rest ed ▁on ▁two ▁rows ▁of ▁pill ars ▁( front ▁to ▁back ) ▁carrying ▁be ams ▁across ▁the ▁centre . ▁They ▁were ▁pill ars ▁and ▁not ▁posts ▁because ▁they ▁rest ed ▁on ▁stones ▁and