Learn about the types, characteristics and challenges oftunnels,from mining to transportation. Explore the history, examples and future oftunnelengineering and construction. Tunnel: Directed by Kim Seong-hun. With Ha Jung-woo, Bae Doona, Oh Dal-su, Shin Jeong-geun. A man is on his way home when the poorly constructedtunnelhe is driving through collapses, leaving him trapped.
