Hellow guys, Welcome to my website, and you are watching 세계지리 4강. 지리정보와 GIS(ft.지리정보체계, GPS, IoT, AR, VR). and this vIdeo is uploaded by 지리쨈 at 2021-03-14T09:15:40-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.
