▁plan ▁focused ▁on ▁extending ▁the ▁Z amos k vor et sky ▁radius ▁of ▁the ▁then ▁G ork ov sko – Z amos k vor et sk aya ▁line ▁( G Z L ) ▁to ▁the ▁south . ▁Using ▁the ▁ideal ▁of ▁simplified ▁singular ▁architect ural ▁pill ar - tr is pan ▁station ▁design ▁( s or ok on oz h ka ) ▁that ▁was ▁prominent ▁at ▁the ▁time , ▁construction ▁began ▁in ▁the ▁mid ▁ 1 9 6 0 s ▁of ▁extending ▁the ▁Metro ▁past ▁the ▁Kol om ens ko ye ▁nature ▁reserve ▁and ▁Nag at ino ▁industrial ▁zone ▁up ▁to ▁the ▁station ▁of ▁K ash ir sk aya ▁and ▁then ▁splitting ▁into ▁two ▁directions ▁one ▁into ▁the ▁rapidly ▁growing ▁districts ▁of ▁Sab uro vo ▁and ▁Z y uz ino ▁and ▁the ▁other ▁one ▁into ▁the ▁future ▁districts ▁of ▁O re kh ovo ▁and ▁Bor is ovo . ▁The ▁former ▁branch ▁was ▁to ▁open ▁as ▁part ▁of ▁the ▁extension ▁and ▁would ▁feature ▁a ▁new ▁dep ot , ▁whilst ▁the ▁second ▁branch ▁would ▁remain ▁in ▁perspective ▁for ▁a ▁de cade ▁more ▁whilst ▁the ▁latter ▁districts ▁were ▁being ▁built . ▁It ▁was ▁the ▁feature ▁of ▁the ▁first ▁( K akh ov sk aya ) ▁branch ▁that ▁made ▁the ▁whole ▁line ▁appear ▁unlike ▁the ▁standard ▁layout ▁that ▁Moscow ▁Metro ▁rad ii , ▁which ▁follow ▁a ▁more ▁or ▁less ▁tang ental ▁path ▁to ▁the ▁central ▁ring , ▁instead ▁after ▁K ash ir sk aya ▁the ▁line ▁becomes ▁almost ▁parallel . ▁ ▁Although ▁it ▁was ▁a ▁practical ▁reason