Boryeong Undersea Tunnel
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' World's 5th Longest in Korea' 6.9km Boryeong Undersea Tunnel
Opening in late 2021. 11 years of construction period. It is said that a 90-minute distance goes to the bay in 10 minutes.
For reference, there is also a publicity center for the Boryeong Undersea Tunnel , so take a look.
Opening in late 2021. 11 years of construction period. It is said that a 90-minute distance goes to the bay in 10 minutes.
For reference, there is also a publicity center for the Boryeong Undersea Tunnel , so take a look.