▁stations , ▁mark ing ▁the ▁start ▁of ▁Line ▁ 5 ▁construction ▁in ▁urban ▁Be ij ing . ▁The ▁tunnel ▁would ▁pass ▁the ▁Temple ▁of ▁Heaven . ▁ ▁May ▁ 2 0 , ▁ 2 0 0 4 : ▁The ▁tunnel ▁between ▁Y ong he g ong ▁L ama ▁Temple ▁and ▁Z hang z iz h ong lu ▁stations ▁broke ▁through . ▁ ▁November ▁ 1 1 , ▁ 2 0 0 5 : ▁Railway ▁tracks ▁were ▁laid ▁at ▁Hu ix inx ij ie ▁Be ik ou ▁station . ▁ ▁July ▁ 2 0 0 6 : ▁The ▁entire ▁under ground ▁railway ▁was ▁completed . ▁ ▁September ▁ 2 0 0 6 : ▁Platform ▁screen ▁doors ▁began ▁installation ▁in ▁Line ▁ 5 ▁stations . ▁ ▁April ▁ 2 0 0 7 : ▁Line ▁ 5 ▁started ▁trial ▁runs ▁without ▁passengers . ▁ ▁October ▁ 7 , ▁ 2 0 0 7 : ▁Line ▁ 5 ▁opened ▁to ▁the ▁public ▁at ▁ 2 p . m . ▁in ▁the ▁afternoon . ▁ ▁November ▁ 2 3 , ▁ 2 0 0 7 : ▁Sound ▁ins ulation ▁were ▁installed ▁on ▁the ▁elev ated ▁parts ▁of ▁Line ▁ 5 ▁following ▁compla ints ▁of ▁excess ▁noise ▁from ▁nearby ▁residents . ▁ ▁Rol ling ▁Stock ▁ ▁References ▁ ▁Category : Be ij ing ▁Sub way ▁lines ▁Be ij ing ▁Sub way , ▁Line ▁ 5 ▁Category : 7 5 0 ▁V ▁DC ▁railway ▁elect r ification <0x0A> </s> ▁The ▁Fort ▁de ▁la ▁F rat ern ité ▁( fort ▁of