In parts of the Kaikoura Coast the mountains come right down to the sea so both the road and railway have numerous tunnels to get through the steep mountains right next to the ocean. This photo shows the train exiting one tunnel on the trip north from Christchurch to Picton.
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My latest blog post: Think for Yourself: In the end, everything is just an opinion. Be skeptical, and think for yourself! (posted 2026-04-25).