Želivka Water Tunnel
Q56413396, Czechia
Želivka Water Tunnel (Czech: Vodní tunel Želivka) is a water tunnel in the Central Bohemian Region of the Czech Republic. At 51.97 kilometres long, it is the sixth longest water tunnel in the world. It was finished in 1972.
Canal data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).