In the early hours the Thames can become very still, here’s a shot (26mm, 10s, f9) from the upstream end of HCM (click for high-res version & more).

Photo: Gavin Starks M/S Hans
In the early hours the Thames can become very still, here’s a shot (26mm, 10s, f9) from the upstream end of HCM (click for high-res version & more).
Photo: Gavin Starks M/S Hans