Snail dance

I was clearing away a mass of crcosmia and day lilly leaves that hadn't produced any flowers and exposing dozens of snails in the process. They started crawling on the plastic edging and one fell on top of another and started crawling round it.
Having got this pic I thought that would be it for today but then a (? young) robin came to visit. However, as he/she seemed quite friendly I expect he'll be back for more photos