"Tunnelblick" (tunnel vision)
#photography #tunnel #underground #hyperloop 🤭 #hamburg #elbtunnel
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Cool. Looks long. How long🧐?
Never been to Hamburg, only Berlin and Dortmund.
Wikipedia says 426.5 meters 😄 it's the old Elbtunnel, for pedestrians and bikes only, built in 1911. On this side, you enter a building and go down via stairs or an ancient elevator to get to the tunnel start, where I took the picture.