HutongsinBeijinghavevariousstylesanddifferentlengths.ThelongestoneisDongjiaominxiangHutong,withatotallengthofabout3kilometers.TheshortestoneisYichidajieHutong,withonly25metersfrombeginningtotheend.ThewidestoneisLingjingHutong,withthewidestpartreachingover30metersatpresent.ThenarrowestoneistheQianshiHutong,anditsnarrowestpartismerely40centimeterswide;peoplemustturnsidewaystopassthroughit.JiuwanHutong,withatleast13curves,isthemosttortuousoneandcaneasilymakeyouloseyourway.Theonewiththelongesthistoryofmorethan700yearsistheZhuantaHutong,whoseconstructioncanbetracedbacktotheYuanDynasty.