Hellow guys, Welcome to my website, and you are watching 노인 무임승차가 적자 원인?..."비경제적 가치 고려해야" / YTN 사이언스. and this vIdeo is uploaded by YTN 사이언스 투데이 at 2023-03-02T00:37:58-08:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
