"부산에서 거제까지 50분 컷" 효율의 민족이 만든 해저터널 / YTN다큐

Tunnel technology, which began as a means of overcoming mountains, has now reached beneath the sea. In Korea, a country with complex terrain and numerous mountains, tunnels were essential for transportation, and this accumulated technology led to undersea tunnels. From Tongyeong to Gadeok to Boryeong. Tunnels were completed in different ways, under conditions that changed with the times and environment. From overcoming mountains to piercing the sea. Let's take a look at the evolution of Korean tunnel technology. ※ This video aired on January 27, 2022. #underseatunnel #Gadeokunderseatunnel #Tongyeongtunnel Broadcast Information ▶ Pioneer of the Sea, Undersea Tunnel / Aired on YTN Science on January 27, 2022 ▶ YTN Science website: https://science.ytn.co.kr/program/vie... ■ Copyright (c) YTN. Unauthorized reproduction, redistribution, and use of AI data are prohibited.