This video was shot on the Thames estuary near Southend-on-Sea overlooking an outflow pipe, the motion of interest was the wave rippling across the pipe, brought to the foreground by shooting the video at I think at about 56 frames per second. Subsequently a certain amount of colour balancing was introduced, reminiscent of colour fuji stock.
This is a 1:30 extract of a 10mim video
April 2021