During the recent sunny spell this has been the view from my local station while waiting for the Fenchurch Flyer - but as sunny and delightful as this appears there is a real and deadly danger below the waves.
Just off shore (on the Kent side of the Thames) lies the the wreck of the SS Richard Montgomery loaded with somewhere between 1000 - 3000 tonnes of high explosives, which according to the New Scientist could generate "the world's biggest non-nuclear explosion" should they combust.
Eyes Right - the green strip just above the boats is Canvey Island.
Straight Ahead - the brown speck on the horizon is this place as seen on Grand Designs
Look East - looking towards the SS Richard Montgomery
Oh and it just happens to between two tanker lanes and a short hop from an oil refinery - there's more on it here