Keywords: Roihuvuori watertower2.png thumb The mushroom-shaped concrete water tower of Roihuvuori in Helsinki Finland was built in the 1970s It is 52 metres high and can hold around 12 000 m³ of water thumb Alternate version How Roihuvuori water tower works 1 pump station 2 reservoir 3 water user Roihuvuori Water Tower Water tower diagrams |