text: "In 1703 the land was bought by Menshikov who wished to create a pleasant boulevard. The water was contaminated with trade waste from butchers’ businesses centered around the adjacent street. Menshikov commissioned a dramatic clean-up operation, hence the name “clean ponds”. 
  In the winter the frozen pond is used as a skating rink.
  Many of Moscow’s aristocracy lives in and around this area."
  POI name: Чистый пруд
  POI types: natural-water
  OSM data version: 2019-06-21T10:47:15Z
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