The World Geography website has this gallery of 11 of the Most Unusual Elevators, from a municipal-run public elevator which connects two neighborhoods in Oregon City in the U.S. state of Oregon, to the AquaDom in Germany, "a 25 metre (82ft) tall cylindrical acrylic glass aquarium with built-in transparent elevator."
The outside cylinder was manufactured on-site from four pieces; the inside cylinder for the elevator was delivered in one piece. The Aquadom is the largest acrylic cylindrical aquarium in the world, with a diameter of about 11 metres (36ft), and it is built on a 9 metre (30ft) tall foundation.
Filled with 1,000,000 litres of water, it contains over 1,500 fish of 50 species. The feeding of the fish and the cleaning of the fish tank is performed daily by 3-4 divers. The fish need 8 kg of fish food.
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