Decided to have a look to see what life was sharing the Summer House.
Until I processed the photos I though I was looking at one spider but when I looked closely there seemed to be too many legs. These focus stacked photos were taken about half an hour apart.
No good asking me what is going on here:
My best guesses give two possibilities.
Two spiders mating
Two spiders having a slow motion battle.
Bosham Harbour at Low Tide
3 hours ago