▁ 6 ▁segment ▁between ▁Lag una ▁and ▁Ciudad ▁Univers itar ia ▁was ▁opened , ▁converting ▁the ▁line ▁into ▁a ▁circular ▁route . ▁ ▁On ▁ 1 0 ▁April ▁ 2 0 0 6 , ▁two ▁maintenance ▁trains ▁coll ided ▁in ▁the ▁station , ▁causing ▁two ▁death s ▁and ▁two ▁inj uries . ▁ ▁Between ▁ 4 ▁July ▁ 2 0 1 5 ▁and ▁ 1 3 ▁September ▁ 2 0 1 5 , ▁Pu erta ▁del ▁Áng el ▁function ed ▁as ▁a ▁temporary ▁termin us ▁for ▁Line ▁ 6 ▁when ▁the ▁line ▁was ▁closed ▁between ▁Pu erta ▁del ▁Áng el ▁and ▁O port o ▁for ▁maintenance . ▁ ▁References ▁▁ ▁Category : Mad rid ▁Metro ▁stations ▁Category : 1 9 9 5 ▁establish ments ▁in ▁Spain ▁Category : R ail way ▁stations ▁opened ▁in ▁ 1 9 9 5 <0x0A> </s> ▁In gel ▁Fall sted t ▁( 2 0 ▁October ▁ 1 8 4 8 , ▁Stockholm ▁- ▁ 1 3 ▁May ▁ 1 8 9 9 , ▁C open hagen ) ▁was ▁a ▁Swedish ▁sculpt or . ▁He ▁committed ▁suic ide ▁before ▁the ▁un ve iling ▁of ▁his ▁statue ▁hon oring ▁John ▁Eric sson ; ▁his ▁first ▁major ▁project . ▁ ▁Biography ▁ ▁His ▁father , ▁H amp us ▁Lud v ig ▁Fall sted t , ▁was ▁an ▁official ▁of ▁the ▁R iks bank . ▁His ▁mother , ▁Maria ▁Charlot ta ▁Wall ander , ▁was ▁the ▁sister ▁of ▁painter ▁and ▁art ▁professor , ▁Josef ▁Wilhelm ▁Wall ander . ▁After ▁comple ting ▁his