How to sort out a shed in the rain

My shed is tiny - I’m 5’ 5” and have bend double to move about in it.

It was supposed to be dry today. It wasn’t. Luckily I remembered something I had read as a child about making makeshift shelters, so 1 tarp and 7m of twine later I had a ‘canopy’ over all the things I’d already taken out to sort. 

Worked a treat.