▁as ▁the ▁Par al ym p ics ▁that ▁year ▁were ▁held ▁before ▁the ▁Olympics ▁( and ▁independently ▁from ▁them ), ▁Rh odes ia ▁was ▁able ▁to ▁take ▁part ▁in ▁the ▁ 1 9 7 2 ▁Par al ym pic ▁Games . ▁ ▁References ▁▁ ▁Par al ym p ics ▁P ▁* ▁Category : Multi - s port ▁events ▁in ▁West ▁Germany ▁Category : S port ▁in ▁Heidel berg ▁Par al ym pic ▁Games ▁Summer ▁Par al ym p ics ▁Category : S ports ▁compet itions ▁in ▁Baden - W ür ttemberg ▁Category : Sum mer ▁Par al ym pic ▁Games ▁Category : 1 9 7 0 s ▁in ▁Baden - W ür ttemberg ▁Summer ▁Par al ym p ics <0x0A> </s> ▁The ▁Blue ▁Line ▁() ▁or ▁Se ag ull ▁Line ▁() ▁is ▁one ▁of ▁the ▁four ▁lines ▁of ▁Lis bon ▁Metro . ▁It ▁is ▁the ▁only ▁line ▁of ▁the ▁Lis bon ▁Metro ▁entirely ▁under ground , ▁without ▁any ▁vi ad uct . ▁ ▁St ations ▁ ▁Fre quency ▁ ▁Chron ology ▁▁ 2 9 ▁December ▁ 1 9 5 9 : ▁Open ing ▁of ▁the ▁original ▁Lis bon ▁Metro ▁network ▁with ▁a ▁Y ▁shape . ▁Common ▁branch ▁stations : ▁R estaur adores , ▁Aven ida , ▁Rot unda ▁( former ▁name ▁of ▁the ▁Mar qu ês ▁de ▁P omb al ▁station ▁and ▁where ▁the ▁line ▁would ▁split ▁into ▁the ▁two ▁branches ). ▁Current ▁Blue ▁Line ▁branch ▁stations ▁( coming ▁from ▁Rot unda ▁station ): ▁Par que , ▁São ▁Sebast ião , ▁Pal hav