▁was ▁also ▁issued ▁in ▁ 1 9 9 8 ▁featuring ▁Soph ie ▁Ald red . ▁ ▁External ▁links ▁and ▁crew ▁at ▁To on h ound . ▁▁▁▁ ▁Category : B rit ish ▁children ' s ▁television ▁program mes ▁Category : 1 9 9 0 s ▁British ▁children ' s ▁television ▁series ▁Category : 1 9 9 5 ▁British ▁television ▁series ▁end ings ▁Category : B rit ish ▁animated ▁television ▁series ▁Category : B rit ish ▁television ▁program mes ▁featuring ▁pu ppet ry ▁ ▁Category : T ele vision ▁series ▁by ▁Film F air ▁Category : B rit ish ▁animated ▁television ▁program mes ▁featuring ▁anth rop omorphic ▁characters <0x0A> </s> ▁Centro ▁is ▁the ▁central ▁district ▁of ▁the ▁city ▁of ▁Madrid , ▁Spain . ▁It ▁is ▁approximately ▁ 5 . 2 3 ▁km ² ▁( 2 . 0 2 ▁sq ▁mi ) ▁in ▁size . ▁It ▁has ▁a ▁population ▁of ▁ 1 4 9 , 7 1 8 ▁people ▁and ▁a ▁population ▁density ▁of ▁ 2 8 , 5 8 7 / km ² ▁( 7 4 , 0 4 0 / sq ▁mi ). ▁ ▁History ▁ ▁The ▁Centro ▁district ▁of ▁Madrid ▁is ▁the ▁oldest ▁section ▁of ▁the ▁city . ▁Ev idence ▁of ▁a ▁stable ▁settlement ▁dates ▁back ▁to ▁Spain ' s ▁Muslim ▁period . ▁In ▁the ▁second ▁half ▁of ▁the ▁ 9 th ▁century , ▁the ▁em ir ▁of ▁C ór dob a , ▁Muhammad ▁I ▁( 8 5 2 – 8 8 6 ), ▁built ▁a ▁for tr ess ▁on ▁a ▁prom