Nestled between the M1 motorway and London's North Circular road is the Welsh Harp, a reservoir and one of the capital's biggest flood defences. Known officially as Brent Reservoir, it has been ...
The original Silk Stream was rediscovered after the reservoir was drained Ms Daniels said: "The Welsh Harp, with Brent Reservoir at its heart, is one of London's most significant urban wild spaces.