NewsgalleryLet's make Greater London a National Park CityBookmarkShareNewsByNathan Spendelow17:26, 31 MAY 2015Updated14:22, 21 APR 2016A train passes over the River Brent (Image: Daniel Raven-Ellison)1 of 10The River Brent (Image: Daniel Raven-Ellison)2 of 10A bird sits on the River Brent (Image: Daniel Raven-Ellison)3 of 10A picture of a woodpecker taken on a recent walk along the River Brent (Image: Daniel Raven-Ellison)4 of 10A Heron stands by the River Brent (Image: Daniel Raven-Ellison)5 of 10A map of green space in Hillingdon (Image: Daniel Raven-Ellison)6 of 10A map of green space in Hounslow (Image: Daniel Raven-Ellison)7 of 10A map of green space in Brent (Image: Daniel Raven-Ellison)8 of 10A map of green space in Ealing (Image: Daniel Raven-Ellison)9 of 10A map of green space in Harrow (Image: Daniel Raven-Ellison)10 of 10More OnBrent