![](http://www.alamy.com/thumbs/6/5A79FA38-B2E0-4134-877D-EB25AE028F7F/C38EEJ.jpg)
The Crowstone Marker at Chalkwell in Thames Estuary
Size: 5616px × 2457px
Location: Chalkwell, Essex, UK
Photo credit: © Timothy Smith / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1837, authority, blue, chalkwell, clouds, estuary, foreshore, green, historic, limit, london, obilisk, panorama, panoramic, port, sea, shinngle, sky, south, thames, weed