Thanks to world-beating internet speeds that are only getting faster -- and plans to launch 5G service in 2019 -- South Korea is one of the most well-connected countries in the world.
원문출처 : https://www.cnn.com/travel/article/seoul-offline-south-korea/index.html
원문출처 : https://www.cnn.com/travel/article/seoul-offline-south-korea/index.html