| Red Bloom | 
  (28/Jan/2010) | 
| There is a red bloom on the water in some of the ditches on Walthamstow and Leyton Marshes. It doesn't appear to do any harm but it seems alien, a bit like something out of H G Wells' War of the Worlds. This picture shows the boardwalk crossing a ditch. | ||
| See mosses | ||
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