The 'Low Lighthouse' and 'High Lighthouse' were built in 1863 to aid navigation into the River Orwell on which the busy ports of Felixtowe and Harwich are located. The lights exhibited a fixed white lanterns until 1917 when both Lighthouses were discontinued. They were restored in the 1980s and are a tourist attraction for the area.
The light changed rapidly with very impressive cloud formation that often echoed the waves breaking on the shore. The three vertical shots at the beginning were taken at 1/320, 1/15th and 1/4 second (all handheld!)