![](http://4.bp.blogspot.com/_cJFLOZqVc2c/Sal3cMN4vFI/AAAAAAAACwo/Rjx_Dc8tAi4/s320/barrier3.jpg)
Many thanks Keith for organising such a fascinating and mud-free walk with momentous glimpses of our victorious past and the Thames barrier - great engineering.
Arrowhead, Sagittaria sagitifolia with Blue-tailed damselfly. RSPB Pulborough Brooks 2 July 2024