1 5 ▁while ▁season ▁one ▁was ▁fil med ▁from ▁March ▁to ▁July ▁ 2 0 1 6 . ▁Fil ming ▁for ▁season ▁two ▁began ▁on ▁April ▁ 1 0 , ▁ 2 0 1 7 , ▁and ▁ended ▁on ▁September ▁ 8 , ▁ 2 0 1 7 . ▁ ▁References ▁ ▁External ▁links ▁▁▁▁▁ ▁Category : 2 0 1 6 ▁American ▁television ▁series ▁deb uts ▁Category : 2 0 1 7 ▁American ▁television ▁series ▁end ings ▁Category : 2 0 1 0 s ▁American ▁crime ▁drama ▁television ▁series ▁Category : English - language ▁television ▁programs ▁Category : T NT ▁( American ▁TV ▁network ) ▁original ▁programming ▁Category : T ele vision ▁shows ▁fil med ▁in ▁North ▁Carolina ▁Category : T ele vision ▁series ▁by ▁I TV ▁Studios ▁Category : Work s ▁about ▁contract ▁kill ers ▁Category : T ele vision ▁series ▁by ▁Studio ▁T <0x0A> </s> ▁The ▁Su in ▁Line ▁( Su won - In che on ) ▁is ▁a ▁met ro ▁line ▁of ▁the ▁Se oul ▁Metropolitan ▁Sub way ▁serving ▁the ▁Se oul ▁Capital ▁Area . ▁ ▁The ▁original ▁route , ▁abandoned ▁in ▁ 1 9 9 5 , ▁was ▁one ▁of ▁the ▁few ▁ ▁narrow - g au ge ▁rail ways ▁in ▁South ▁Korea . ▁Open ed ▁by ▁the ▁priv ately ▁owned ▁Ch osen ▁G ye ong d ong ▁Railway ▁in ▁ 1 9 3 7 , ▁it ▁connected ▁Su won ▁to ▁N amin che on ▁via ▁Ans an ▁and ▁Si he ung ; ▁in ▁ 1 9 4 2