Track 61 , a secret subterranean extension of New York's D Line train under Pershing Square built to transport President Franklin Roosevelt away from the public eye to keep his polio hidden from the American people."
"D호선 61번 선로" "뉴욕 퍼싱 스퀘어 지하에 건설" "소아마비로 다릴 저는 루즈벨트 대통령이"